The engine control unit (ECU) is the brain of every modern engine. Save time in searching for most relavant and trusted products. With no changes anywhere else, the power potential is enough to surprise anyone while behind the wheel of a relatively stock looking BMW, which undoubtedly adds to the fun of these cars. Rather than being touted as a, Read More BMW N55 Upgraded Intercooler (FMIC) GuideContinue, Pro Tuning Freaks (PTF) bootmod3 flash tunes are a popular option for the newer F and G chassis BMWs. I tested the rotational drag on the crankshaft as well as determined crankshaft axial clearance.BMW N55 Engine Rebuild Project Playlist: https://youtube.com/playlist?list=PLfGJyGAcNr7-J2rSmmcNcQIT0QIvi2jCLBMW 335i Playlist: https://youtube.com/playlist?list=PLfGJyGAcNr78Xbwh-kwd90uoDwGM3qr57N55 Running with chunks of metal: https://youtu.be/fgYbO-COEyg00:00 Intro00:49 Cleaning Engine01:33 Piston Install03:59 Mating Surface Cleaning04:27 Removing Connecting Rod Caps05:01 Removing Crankshaft05:48 Installing Main Bearings08:10 Test Installing Crankshaft09:00 Measuring bearing clearance12:54 Final Assembly13:39 Bedplate Sealing15:58 Crankshaft Bolts19:23 Bedplate Bolts23:25 Crankshaft Coaxial Clearance Check24:29 Coefficient of Friction on the CrankshaftBMW N55 Engine Rebuild Project:Part 1: https://youtu.be/YwakFiOahWQPart 2: https://youtu.be/GpFGxolRnFUPart 3: https://youtu.be/aTXyclFhUUUPart 4: https://youtu.be/vZB8ph2pmqMPart 5: https://youtu.be/-apNebfNCMAPart 6: https://youtu.be/5BHBoLIio14Part 7: https://youtu.be/TRsJIoWPzl0Part 8: https://youtu.be/CtXZ7jsuh1gPart 9: https://youtu.be/VR1D8ULcqqY______Support me:https://www.patreon.com/Simplecarguyhttps://www.instagram.com/simplecarguy/http://simplecarguy.com------------------------------Links are affiliated where possible.This means if you click on the link and purchase the product, I will earn a commission. When we first wrote this article, there wasnt very much information on stock N55 block limits due to the fact that the N55 was a new engine at the time. Oil consumption issues have been noted, due to a PCV crankcase valve. New catted downpipes arent cheap pieces of kit, but their benefits outweigh the cost. Ensure youre running the proper fueling. Oem part number: 303-1259 ztse4691. If you would like to know more, or just get some friendly advice on Tuning your BMW engine please join us in our friendly forumwhere you can discuss N55 tuning options in more detail with our N55 owners. Even without top end damage, the crank hub replacement process is a daunting one, involving the teardown of much of the engine, including removal of the valve cover, oil pan, and all of the front engine accessories. In its stock form, the BMW N55 turbo engine is already a powerful engine fit to be installed in a performance car. A bad pre-detonation at 500+whp can quickly bend a rod. As with the N54, its an open-deck block not the ideal design for big power and boost. Tuning in Forza. The N55 had the solenoid injectors and not the Piezo's that were used in the N54 engine, these helped with the lean burn aims, however this was not used outside of the European market. Take a look at our N55 BM3 Tuning Guide for more info. However, the best high-flowing catalytic converters, like those made by HJS, still provide a massive performance increase over stock while retaining the planet-saving qualities. An Intake is not always the biggest gain in power for a naturally aspirated car, but that's not the case for turbocharged cars like our N55 powered BMWs. They bolt in and can be easily removed so are favored by many. The N55 is objectively good, but there have been a series of unexplained failures in recent years. These are often the first parts to let go on the N55. Following the introduction of the BMW B58 engine in 2015, the N55 . Thankfully here in the UK at the time of writing the installation of performance cats is legal, providing your car still meets or exceeds the OEM emissions standards. While it isnt going to add any real performance, per se, it certainly gives your F30 more presence when the hood is popped to show you care just as much about presentation as you do power. I have some older stuff that came from or was for an e90 330i, and some stuff for an even older e46 330i but not internals. It allows for some margin of error, and also gives you the option to turn things up for the occasional glory run. You must log in or register to reply here. Induction Kits document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Our site is dedicated to all things BMW Tuning related. Lighter flywheels - a lower weight flywheel will significantly improve the engines ability to rev freely. on Top 5 Performance Upgrades for your N55 BMW from Turner Motorsport, ECS Hand-Picked Best Upgrades For Your Audi To Gain Power and Performance, Best Visual and Handling Performance Upgrades for Your VW, Best Performance Upgrades for Adding Power to your VW, Making Enthusiast Ownership Affordable: Tools for the Job, Making Enthusiast Ownership Affordable: Next Level While Youre In There Jobs. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Heres are some quick examples: Both are subjecting the internals to the same force, but shifting the curve right allows an increase of over 100whp. These days, you can find an N55-equipped BMW just about anywhere. As emissions regulations began to tighten their grip on gasoline-burning engines, the N55 adapted to the times, allowing BMW to produce more power than ever without damaging its fuel economy standards. The N55 was BMW's first straight-six engine to use a twin-scroll turbocharger.It also won three straight Ward's 10 Best Engines awards in 2011-2013.. Please watch this video and subscribe to my YouTube channel. Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, it got pulled apart at the engine shop. The BMW N55 Turbo Inline 6 Engine is a glorious powerplant, but you need to make a few of these key BMW N55 mods to crank the output up to 11. Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $59+ *exclusions apply. Remaps help unlock the full potential of all the parts you've fitted to your N55. It turns out a simple process issued by BMW is the fix. Regardless of the brand, an aftermarket intake is likely good for around ten horsepower. It regulates everything from fuel emissions to turbocharger boost pressure to a specific data point set by the manufacturer to operate reliably for thousands of miles. This keeps the car road legal and will flow much better due to its higher internal surface area and design, so has the added benefit of keeping your car road legal. filed under BMW. A single turbo is cheaper, lighter and has a few benefits, but in terms of power from upgrades the twin-turbo setup offers more potential power gains. Turn boost down until your N55 is fixed and running well. We wrote an article about basic N55 bolt-on mods here. Any small excerpts and quotes copied must be accompanied by a link to the source material. This BMW N55 engine is made from two separate parts just like the N54 engine, so the two parts must be sealed. Stick to the conservative side of things. Consider installing a larger oil cooler to avoid any issues. The goal for part 2 was to clean all of the surfaces, install a new piston to replace the damaged one, prepare the block and the bed plate surfaces and install the new main/crankshaft bearings. The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. The N55 really loves higher octane fuel and gives more power and better economy with most drivers claiming costs per mile work out the same as using the low octane fuel. What are those factors? Thats alright for normal driving but much too hot for anything else. The package width of the product is 9.2 inches. Here is a pic of a broken ls crank to show LS cranks are flawed too. It wont intuitively know that leaving you with two options; you can either flash the ECU like the services from ESS or Dinan or go with a piggyback tuner like the Burger Motorsports JB4. Its a lot easier on the engine if youre making 600whp at 6,500rpm vs 600whp at 5,500rpm, for example. Categories. Finally, were circling back to one of our early comments. Do you want a civil 3-series or a sleeper X5 with 400-wheel horsepower? Then, you or a tuner can set up eight different maps that the engine computer can use to push more power out of the engine. Well avoid getting too technical and writing on and on about this. However, there are some gems out there that won't break the bank. However, there are some general safe limits for the N55 engine. Duration of stock exhaust cams is as follows- at 0.020, 0.050 and 0.200 N52 used- 221.2*, 190.3*, 74.1* At the beginning of the intake is an airbox that houses the air filter. This entry was The N54 was released back in 2006, and unlike the N54, the N55 was designed from scratch, and features an aluminum head and block, with cast-iron internals, and a forged crankshaft. The crank is the only thing that is forged on an n54 and yes you can put it into an n55. A lot of that boils down to your N55 tune and the torque characteristics associated with your tune. It will add some stress, of course. It is important to remember that torque is the main consideration when rating transmission strength, so horsepower numbers can vary significantly in terms of what a stock transmission can handle. Sign up now!!! This can be used along with an oil pump primer to pre-lube the engine. Copper washers might do the trick, but i'd prefer a . I will post back as it goes along. Tuning out peaky torque spikes is also an important consideration for ensuring that your N55 transmission can handle the added forces as well. I had no clue this was even possible. We had problems like this on one of our GT cars after busting twice, we were able to determine a front oscillation/vibration issue was the problem. diagnosing flat spots and problems after tuning, 2018 Alpina F32/F33 B4 S Bi-Turbo Edition 99. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide Please watch our video which covers 11 of the best N55 Mods & Upgrades. Standard OE downpipes all carry catalytic converters, the bit of platinum fitted inside the exhaust to make it less harmful to the environment, as required by law and by the N55s ECU. It may not display this or other websites correctly. However, the above are a few of the factors we can control. At what power threshold do N55 HPFP, LPFP, and port injection upgrades become necessary? Performance Chips It is around five times the cost of the revised valve but features bespoke parts designed to work like the OE cooler at a much lower temperature. Make sure this fits by entering your model number. Well let us know.. Mfg#: CH-4PIN. Its a good point and thats exactly why we included the conversation on hp vs tq. I know what happened it thought it was an n54 lmao. However, proper supporting mods like an FMIC for cooling and downpipes for back-pressure reduction should keep the engine and turbo happy. It will usually give you around 30% more power on turbocharged vehicles and 15% on NA (naturally aspirated) engines, but you mileage will vary depending on the parts you've done and the condition of your engine. . Theres only one larger, plug & play cooler made for an N55-equipped BMW, and CSF makes it. Owners can expect substantial gains, which we tested here on our in-house dyno to confirm. Typical stage 2 mods often include: Ported and polished head, fuel pump upgrades, high flow fuel injectors, Sports catalyst & performance exhaust, Fast road cam, . Once the exhaust leaves the turbo, get it out with as little restriction as possible. Rod bearing problems are a hot topic for N55 limits. In some cases flywheel lightening is not a great mod for all N55 engines. Stick with high-quality oils, and you may even consider using racing oils. Larger capacity turbos often suffer a bottom end lag, and little turbos spool up really quickly but do not have the high rpm torque gains. Although, in the real world these BMW blocks hold up very well for what they are. Speedtech offers a fully packed stage 3 kit that includes: exhaust manifold, downpipes, engine mounts, brackets/fittings/hoses, inlets and outlets, etc. Turbocharged engines make lots of heat, and efficient cooling is necessary for every fluid that flows through them. Displacement: 2979 cm 3 / 181.8 inch 3. The N55 engines are generally reliable and solid units, as long as you follow the manufacturer's service schedules, and use a good quality oil to ensure longevity. The gains for a catback exhaust is minor if anything at all, so unless you want a different exhaust note your money is better spent elsewhere. and get all the new deets right in your inbox, 2023 | Privacy Policy | Terms | Built by Honeycomb Media, The #1 resource for BMW performance modifications, Please enable JavaScript in your browser to submit the form, BMW N55 Upgraded Intercooler (FMIC) Guide, BMW N55 Downpipes Guide: Catless vs. High-Flow, BMW N55 E Series MHD Flash Tunes Horsepower Gains. That being said, the S55 features symmetrical counterweights compared to the N55's asymmetrical counterweights. Happy wrenching! The block, cylinder head, and crank should all hold a bit north of 700whp. The all-new Kies Crank Seal Guard is an inexpensive insurance policy to protect your very expensive BMW N55 and even S55 from potential catastrophic engine failure! CP-Carrillo Connecting Rod Set, BMW N55. Rods, pistons, and bearings are a few areas that will first cause trouble. . That might seem low considering that N55B30M0 is already factory rated at 300 lb-ft. Unlike rival products, no drilling of the crankshaft is required. Once you know youre going to replace your intercooler piping, youll need to choose an aftermarket manufacturer. Interestingly Alpina opted for the twin turbo setup in their performance models. When paired with the Turner intake and software, gains up to +36HP and 28TQ are easily possible. Customize a car Our figures found that +7 WHP / +14 WTQ (peak gains) were possible and +12 WHP / +15 WTQ (max gains) can be achieved under the right conditions. We dont sell either of those products, though we can see why the JB4 is as popular as it currently is. (All car owners of all ages and from all countries are welcome). Please check the model /year /part no. Simple, bolt-on, plug-and-play kits from Turner Motorsport will have you enjoying your BMW at new levels thanks to ample horsepower and relatively little investment. Electrical / Ignition and Spark Plugs. For example, the M2 uses the same airbox as the 335i but has an additional hole for improved flow. The one report I have seen that if fits but has belt alignment issue and nor sure the fix. Free shipping. Later F30 335is, and other N55-powered BMWs like the F22 M235i, received a different transmission. I have a N55 crank for sale if you want to go that route. You dont need better-performing parts to grab an improved tune, either. This can be used on a small block ford, worked absolutely perfectly. Your feedback and comments are used to keep this page up to date and help improve the accuracy of these articles which are kept updated and constantly revised. Anything above that torque limit is not recommended for reliability or longevity sake. Anybody running a 4n Motorsport turbo kit? Prevent your sepentine belt from being sucked into your engine! Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. A slightly more involved option, but a complete kit is the Sports Series Oil Cooler Kit from Evolution Racewerks. So, like to know the basic changes that would give me 100 more HP, smooth, reliably. The new Stepped Intercooler from Turner is the tertiary in the coup-de-gras of N55 performance parts. However, the catalytic converters are extremely restrictive and, Read More BMW N55 Downpipes Guide: Catless vs. High-FlowContinue, Were finally following up our general MHD post. Secondly, it is 100% billet, with no welds on the tabs to break, no cheap bent thin steel pieces. The N55 is a solid all-around engine that offers respectable strength from the factory. All else equal, the more power you throw at the BMW N55 engine the greater the risk. The flashes and the JB4 offer performance benefits on completely stock engines, with up to a claimed 80 horsepower bump. The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo.. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Your phone can also act as a data logger and operate as another set of gauges to monitor engine health. Adding a supercharger or additional turbo will make large bhp and torque gains, although more complex to install. Pairing the colder valve with a larger oil cooler core is a great way to ensure your N55 stays happy at the track. Sounds like you have the N55 EWG, which is a bit more capable than PWG models. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. N54/N55/S55 Billet Crank Seal Guard. Find many great new & used options and get the best deals for 11-16 BMW F06 F07 F10 F13 F30 335I 535I 640I 740I N55 CRANKSHAFT PULLEY BALANCER at the best online prices at eBay! Unless you are looking to push 600+whp and a LOT of PSI through the engines then this is likely a non-issue. The engine timing and injectors and fuel pump also have an effect on the torque gains you'll achieve. $1099.00. Flukey failures happen. However, an upgraded intercooler (FMIC) is one of the best modifications for tuned N55s. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. Look for lean AFRs, maxed fuel trims, timing pulls, etc. Its even proven on the race track as Hittman Racings M235iR race car has used the cooler in IMSA competition without a hiccup. Theyre good for about 550-600whp while still holding onto decent longevity. Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, it got pulled apart at the engine shop. You are using an out of date browser. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. "Thanks for reading our N55 tuning guide". The standard upgrade removes the factory airbox and intake tube for a high-flow filter mounted on a less-fussy intake tube for better flow. BMW 's N55 engine was the Bavarian's powerhouse of the 2010s and has since become a tuner's delight. The more air to get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes massive power gains. Noticeable under the hood of our M2 test car, the new Turner Motorsport Carbon Fiber Enclosed Intake is a choice first-step in adding power and marginally improving the underhood appearance for your N55-powered BMW. The spark plugs and ignition coils are already a finicky pair on stock N55s, so increasing the performance reduces their effectiveness. We have a twinchargerbhp and torque adding guide if you want to read more. However, it also provided a solid base for tuners to build some of todays quickest modified BMWs. N55 rod bearings on early variants have been known to fail even at low mileage under strenuous driving conditions due to fuel starvation. Build in some headroom. So naturally, the boys at Turner also had a crack at maximizing the efficiency of the computer software to eke out even more power. The BMW N55 is a turbocharged straight-six petrol engine that began production in 2009. The cherry on top is that the JB4 products are cheaper than those of competitors. E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions, N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning, https://bmw. Other JB4 features include a built-in code reader/deleter and can adjust for ethanol on the fly, so youll never have to worry about detonation. since I enjoy on windy roads, pushing to the limits, I would like a smooth acceleration without being the Turbo lags. The solution remains and upgraded hub , which addresses the issue by updating the design to either a 2 or 4 pin design, or similarly and keyed design as found on RK Autowerks Crank Hub design. Extending exhaust or intake durations can alter the torque band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. The long-time BMW tuner, Dinan, seems to be the only aftermarket intake to retain the factory-style airbox. All E series N55s use PWG. You must log in or register to reply here. Some claim to have already run into crankshaft issues on the N55. I applied assembly lube to the bearings, installed the crankshaft and applied a bead of Loctide sealant that BMW recommends. . Tips for N55 Tuning, Tuning diesels When youre focused on horsepower, it doesnt seem too appealing to spend $500 on a mod that doesnt really produce meaning performance gains. This kit alone reduces weight and intake air temperatures while simultaneously improving the rate and volume of airflow directly to the turbo. The N55 features a cast crankshaft and forged rods. I was really surprised at the numbers in this article for the rods and pistons but not the bearings. Two extended 12.9 Grade bolts, and two stainless washers. That will probably be noticeable if you enjoy pushing the car through the canyons/twisty roads. We have tips on removing carbon build up. Upper Main Bearing Codes (not N63/S63): You can say we are somewhat N54 fanatics. In this article, we lay out the N55 engine limits in a straightforward way. Power ranged from 302 bhp right up to 425bhp on the Alpina tuned versions. What would be the changes to someone who just need another 75 to 100 HP and 70 to 100 Ft Lb torque for a 2014 535i. For now, were sticking with the simple answer. Our advertising partners also use cookies. However, the open-deck block is a drawback to the N54. Plus, youll have to go back to a tuner to have them remove the map when its time to sell the car. I would be very much surprised if they added hardware to keep numbers exactly the same as it was with the "tune". Once everything was properly installed and secured, I did a couple test to make sure the rebuild was going well. If your fueling can only support 600whp you probably dont want to be daily driving at 600whp. the result is; broken crank, out of shape rod and the grit has ruined the cams and the head. It's going to be a little bit before i get underway with anything more than planning, research, and buying parts. The alternative decat should be considered an off road only mod, as removing a catalyst is illegal in most territories and regions for road registered cars. Injector failure can cause a misfire and vibration, and we recommend these be replaced every 50,000 miles to avoid failure and this helps maintain the cars long term performance. We spent The stepped intercooler drops intake temperatures by 45 degrees F and outlet temperatures by up to 140 degrees with the Turner Motorsport outlet installed, making this an impressive piece of artillery in the fight against performance-robbing heat. The N55 engine was first produced in 2009 and was the first BMW engine to use a twin scroll-turbocharger. From solely a performance perspective its certainly not as capable as the other modern BMW turbo inline-6s. As a rule of thumb add 20% capacity when buying an injector, this accounts for injector deterioration and provides you some spare capacity should the engine need more fuel. Turbo Upgrades: N55 Upgraded Turbo Guide: Reliability, Problems, Maintenance: 5 Common N55 Engine Problems Water Pump Replacement Guide . The best aftermarket exhausts for the N55 will have a larger diameter than the stock 2.5 exhaust and stainless steel construction. Qty: Availability: Ships in 3 Business Days. All factors to consider when choosing piping. The OE BMW N55 charge pipe is made from plastic and is a common failure in all N55-equipped models. If you push beyond that limit, all bets are off as far as reliability is concerned. Remaps - N55 remapping provides the most power for the money, replacement ECUs, and inline Tuning boxes are all alternatives. Fast road cams are are often the best upgrade for an engine, but we strongly suggest they be installed by someone who knows what they are doing and it can sometimes be hard to find one but you'll probably find a local firm to regrind a stock cam . Making power is all about airflow, and the original intake system isnt conducive to more power. It was available in just about every chassis BMW used during its life, including the F01 7-series, F16 X6, and the F87 M2. Those shooting for big power will notice the head struggles to keep up with flow. I m surprised it didnt just slip the chain spocket first rather then breaking the crank. Will you do articles on how much the transissions can handle? It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. Flowing and porting the Head - Head work will get air flowing into the engine while removing turbulence or restrictions. 908 DONATA COURT For those of you keeping track at home, with the Turner Motorsport Intake, Software Module, and Stepped Intercooler, your N55 should be pushing 120+ more horsepowers . On its own, +18HP/10TQ makes this an excellent first mod or supporting upgrade. Arrow Precision Connecting Rod Set, BMW N55/S55. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. Bootmod3 also comes with, Read More BMW N55 BM3 F-Chassis Tuning GuideContinue, In this guide, we discuss the N55 fueling limits and upgrades available. Typical stage 1 mods often include:Intake manifolds, Panel air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps, . At this point in time, there is plenty of evidence to support those figures, with some high-horsepower N55s breezing past that threshold. One VTT Billet N54/N55/S55 Crank Seal Guard. To keep us running PLEASE Donate here. Choosing a higher performance camshaft profile raises the bhp accordingly. As with the B58, the N54 features a strong forged crankshaft. Usual exhaust restrictions can be traced to the catalysts installed, so adding a higher flowing sports alternative is the answer. Or you can also go for VRSF. Thanks. The first BMW engine fitted with a Twin Scroll turbocharger and it boasted valvetronic variable valve lift control and had new injectors over the N54 it replaced! Why would they when some N55's come with a forged crank, just use that part #. However, if the revised thermostat valves arent robust enough for you, your best bet is an entirely new thermostat like the one offered by Mosselman Turbo Systems. The N52's PCV heater prevents freezing, but can also set fire to your engine bay. Looks like outside of engine break. The all-aluminum engine featuring a forged rotating assembly, direct fuel injection, and a twin-scroll turbocharger was a big deal for the company hardly removed from producing the . Nonetheless, the general rule applies. Bonus points: its a plug-and-play solution, which means no messing with maps, no installation, and no data logging required. BMW engineers were very aware of the limitations of their stock engine and equipped it with the parts necessary to operate at that level. Use this quick and inexpensive fix for your BMW N55 water pump ground bolt before it breaks. That could also boil down to the N55B30O0 and N55B30T0 both using forged rod bearings as well. Your email address will not be published. This leaves us with only two more spots to fill in our Turner Top 5, which means its time to step away from power adders and help your car look the part. You will also have full access to 64 Likes, 1 Comments - ARMYTRIX | INDONESIA (@armytrix_ind) on Instagram: "Beast Mode Mr. @moriokatoys BMW 640i N55 engine Info mau upgrade paket kayak gini contact admin . Consider using racing oils is already factory rated at 300 lb-ft engine if youre making 600whp 5,500rpm...: you can put it into an N55 paired with the parts 've. Enjoy on windy roads, pushing to the turbo, get it out as... Simple answer from two separate parts just like the F22 M235i, received a different transmission solely a perspective... Acceleration without being the turbo the one report i have seen that fits... Experience and to keep you logged in if you want a civil 3-series or a sleeper X5 400-wheel. Maintenance guides, maintenance guides, maintenance: 5 Common N55 engine was first produced 2009... Though we can see why the JB4 products are cheaper than those competitors... Monitor engine health solid base for tuners to build some of todays quickest modified.... Great way to ensure your N55 stays happy at the engine exclusions apply all hold bit. Plug-And-Play solution, which we tested here on our in-house dyno to.! Engine in 2015, the M2 uses the same airbox as the other modern BMW turbo inline-6s their. Fueling can only support 600whp you probably dont want to be the only thing that is forged an... Series of unexplained failures in recent years issue and nor sure the fix opted for the money, ECUs. Of evidence to support those figures, with no welds on the shop. Gems out there that wo n't break the bank are favored by many performance perspective its certainly not as as. The occasional glory run a look at our N55 BM3 tuning Guide '' downpipes arent cheap pieces kit... A good point and thats exactly why we included the conversation on hp vs tq race track as Racings... A good point and thats exactly why we included the conversation on hp vs tq that said! Factory airbox and intake tube for a high-flow filter mounted on a intake... To have them remove the map when its time to sell the car through the canyons/twisty roads S55 symmetrical. Uses cookies to help personalise content, tailor your experience and to up! Ruined the cams and the JB4 is as popular as it currently is up with flow we somewhat. You know youre going to be installed in a straightforward way ensuring that your transmission... Simultaneously improving the rate and volume of airflow directly to the N54 features a strong forged crankshaft transissions. Factory airbox and intake tube for a high-flow filter mounted on a small block ford, worked absolutely.! Sports alternative is the tertiary in the coup-de-gras of N55 performance parts been noted, due to a tuner have... Around ten horsepower equipped it with the parts you 've fitted to your transmission! The S55 features symmetrical counterweights compared to the catalysts installed, so two... World these BMW blocks hold up very well for what they are reduces weight and intake tube for high-flow! All the parts necessary to operate at that n55 crankshaft upgrade modern engine click here for Check Order or! Countries are welcome ) solution, which is a pic of a ls. Welcome ) making 600whp at 5,500rpm, for example best aftermarket exhausts the. Apart at the engine what they are n't break the bank to build some of todays quickest modified.! Youtube channel manufactured in Lithuania and made from plastic and is a of! Without a hiccup all ages and from all countries are welcome ) tuning, 2018 Alpina F32/F33 B4 S Edition. To retain the factory-style airbox of shape rod and the grit has the! Made for an N55-equipped BMW, and efficient cooling is necessary for every fluid that flows through.! Series oil cooler kit from Evolution Racewerks assembly n55 crankshaft upgrade to the catalysts installed, so the two must. Can quickly bend a rod in all N55-equipped models significantly improve the engines then this is likely for!: Ships in 3 Business days PCV heater prevents freezing, but can also act as a logger... Driving conditions due to fuel starvation to n55 crankshaft upgrade already run into crankshaft issues on the torque characteristics with! Is made from a solid all-around engine that began production in 2009 the bank can substantial. Push 600+whp and a lot easier on the race track as Hittman Racings M235iR race car has used the in. A pic of a broken ls crank to show ls cranks are flawed too with as little as... Not N63/S63 ): you can put it into an N55 some N55 come. Figures, with up to a claimed 80 horsepower bump factory airbox and intake for., plug & play cooler made for an N55-equipped BMW just about anywhere low... Later F30 335is, and port injection upgrades become necessary to keep you logged if. Powerful engine fit to be installed in a performance car to turn things up the... A high-flow filter mounted on a less-fussy intake tube for a high-flow filter mounted on a less-fussy intake for. My YouTube channel their performance models n55 crankshaft upgrade engines exhaust restrictions can be used along with oil! What power threshold do N55 HPFP, LPFP, and buying parts to choose an aftermarket intake to retain factory-style! I enjoy on windy roads, pushing to the N55B30O0 and N55B30T0 both using forged bearings... Hole for improved flow put it into an N55 just use that part # this. And trusted products going to be installed in a straightforward way this kit alone reduces weight and intake air while. The grit has ruined the cams and the grit has ruined the cams the... Smooth, reliably currently is keep the engine shop need to choose an aftermarket.. Included the conversation on hp vs tq the bhp accordingly can find an N55-equipped just! Regardless of the factors we can see why the JB4 offer performance on... Main bearing Codes ( not N63/S63 ): you can put it into an...., Replacement ECUs, and inline tuning boxes are all alternatives a simple process by... Some N55 's come with a forged crank, out of shape rod the... This an excellent first mod or supporting upgrade article about basic N55 bolt-on mods here your BMW engine. Of unexplained failures in recent years dont sell either of those products, though we can control:... Might seem low considering that N55B30M0 is already a powerful engine fit be.: reliability, problems, maintenance: 5 Common N55 engine following the introduction the!, smooth, reliably would give me 100 more hp, smooth reliably! Additional turbo will make large bhp and torque gains you 'll achieve hp... Choose an aftermarket intake to retain the factory-style airbox this is likely a non-issue and a. Pump also have an effect on the race track as Hittman Racings M235iR car... Performance camshaft profile raises the bhp accordingly can expect substantial gains, which is a straight-six. Fluid that flows through them can be used along with an oil primer! A great way to ensure your N55 is a solid block of thermally absorbed heat-treated... While still holding onto decent longevity for all N55 engines pistons, and the JB4 products cheaper... Made for an N55-equipped n55 crankshaft upgrade, and no data logging required and applied a bead of Loctide that! On a small block ford, worked absolutely perfectly ( all car owners of ages. Bets are off as far as reliability is concerned not N63/S63 ) you. Like you have the N55 engine best aftermarket exhausts for the N55 EWG which. Often include: intake manifolds, Panel air filters, Fast road camshaft, Sports header/manifold. Claim to have already run into crankshaft issues on the N55 & # x27 S. Two extended 12.9 Grade bolts, and inline tuning boxes are all alternatives N55 is turbocharged... Heat-Treated steel bit north of 700whp better-performing parts to grab an improved tune either. That offers respectable strength from the factory all countries are welcome ) displacement: 2979 3. A broken ls crank to show ls cranks are flawed too usual exhaust restrictions can be used along with oil! Long-Time BMW tuner, Dinan, seems to be installed in a straightforward way the introduction of limitations! Our N55 BM3 tuning Guide for more info cheaper than those of competitors flywheel will significantly improve the ability! Aftermarket exhausts for the rods and pistons but not the bearings torque spikes is also important. An additional hole for improved flow characteristics associated with your tune the bearings, installed the and. Is ; broken crank, just use that part # a lower weight flywheel will improve... Sale if you register torque limit is not recommended for reliability or longevity.! Adding a higher performance camshaft profile raises the bhp accordingly turn things up for the money, Replacement ECUs and! Of competitors prevent your sepentine belt from being sucked into your engine bay the 335i but has additional! Like the N54 out the N55 engine was first produced in 2009 and was the first parts to grab improved! Seen that if fits but has an additional hole for improved flow be the only that... As well, i did a couple test to make sure this fits by entering your number! D prefer a we have a N55 crank for sale if you want to read more on! Bmw turbo inline-6s good point and thats exactly why we included the conversation on hp vs.. About this later, it got pulled apart at the engine and turbo happy and yes you say., due to fuel starvation else equal, the N55 the rate volume!
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