Consider installing a larger oil cooler to avoid any issues. A separate lead wire then goes from the coils to the plugs. While the N54 was certainly a beast, often considered the German 2JZ, there were some significant issues with the twin-turbocharged 3.0L inline 6 that wouldnt be ironed, Read More Ultimate BMW N55 Engine GuideContinue, An often overlooked performance upgrade on the N55 is the cooling system. On the tuning side go conservative with that too. There were two primary automatic transmissions used in BMW N55-equipped cars, both with their own specs and drivability differences. BMS, CTS Turbo, and aFe all offer that style, as does nearly everyone else you can find. bhp and torque adding guide if you want to read more. Read up on each generation and find out which one fits you best. 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. I will be happy with another that much as I ma not going to take it to the track. 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. There are a lot of conflicting opinions in terms of the true limits of the N55 6MT, but were going on BMWs word here. Hello there, just one doubt, these horsepower and torque mentioned they are considering which dyno correction factor? PTF BM3 offers an excellent web interface and mobile app for easy N55 tuning. Well let us know.. For a better experience, please enable JavaScript in your browser before proceeding. However, you will find engines will have power limits where the OEM parts will start to break or fail. The induction kits, dual cone intakes and performance air filters serve as a supplement to the other mods you perform on your car but are effective as they produce immediate results. You can use the M2 airbox as an OE upgrade, but the results will be minimal. Some names to consider are AWE Tuning, Remus, and Supersprint. Look for lean AFRs, maxed fuel trims, timing pulls, etc. 0. 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 . The one main bearing on the broken piece was damaged due to flopping around; the engine still ran because the break only separated the crank in two parts but the bed plate still held everything togther, just with extra clearance is anyone can imagine my poor explanation. This BMW N55 engine is made from two separate parts just like the N54 engine, so the two parts must be sealed. Mocal and Setrab are two well-respected manufacturers of fluid coolers, with the latter being the OE supplier to makes like Ferrari, Mercedes-AMG, Lamborghini, and Aston Martin. The standard BMW N55 intake features many bends and edges that disturb the air, making it more turbulent and restricting flow. The VRSF charge pipe is incredibly popular but Vargas Turbo Technologies, Burger Motorsports, Masata, and RK Tunes all offer slightly different takes on the intercooler piping made from aluminum. The engine control unit (ECU) is the brain of every modern engine. However, some F series are also PWG rather than EWG. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. A new version of a popular previous video; created due to our ongoing focus on production values.Ben details the steps Hack Engineering takes to safeguard th. Modded Car insurance
Currently, the JB4 tuner is all the rage, and its easy to see why. Free shipping. Exact limits depend on many factors, and well circle back to this later in the article. An oil cooler thermostat works the same as the one for your engine coolant; the thermostat opens up once the oil reaches a specified temperature and allows the oil to circulate through the cooler. Ultimately, its a good idea to work with an experienced, professional tuner to dial the car in. Some external factors are simply out of our control, and thats just part of accepting the risk of pushing the N55 limits. At the beginning of the intake is an airbox that houses the air filter. Anyways, rod bearings might be the single most common cause of complete failures on the N55. The downpipe is the exhaust section between the turbocharger and the cat-back system. We have a policy of actively enforcing our copyright*. Allow the oil and coolant to warm up to operating temperature before applying heavy throttle. JavaScript is disabled. The spark plugs and ignition coils are already a finicky pair on stock N55s, so increasing the performance reduces their effectiveness. Thanks. Many aftermarket companies claim an increase of nearly 20 horsepower at stock boost levels, depending on the supporting modifications. Alright, this one is pretty obvious. Stick to the conservative side of things. Issues relating to the standard three-piece crank hub on the S55 & N55 engine are (unfortunately) widely known, but these are fully addressed with the installation of the MMR Performance one-piece billet Crank Hub together with our Capture Plate for ultimate security. Its not nearly as simple as stating, Yeah, the N55 will hold up for 200k miles at 550whp, but its going to blow up instantly at 575whp. Theres still considerable risk in increasing power, and nothing is a guarantee. Its basic stuff thats a good idea regardless of your N55s power. The ease making 600whp on the S55 may play a role in why this has been touted as a more common issue on the S55. As good as that is for the planet, the cats present a restriction in exhaust flow, hampering performance. Finally, were circling back to one of our early comments. NOTE: WE NOW HAVE THE UPDATED AND IMPROVED VERSION OF THE CRANK HUB WHICH CONTAINS 4 PINS (N55 & S55 ONLY) INSTEAD OF THE ORIGINAL 2 PIN DESIGN The keyed crank hub kit includes the: - 4 Pin V2 Keyed Hub- Specialty Drill Bit- Drill Template- Drill Fixture Bolt Quoted from Maximum PSI, the designer of this crank hub You want to keep an eye on the engine parameters often. An important upgrade for prolonged high-RPM usage on the track is improving crankshaft oiling. 908 DONATA COURT It broke at the front main bearing which it drive the chain/cams/hpfp/etc. For example, the M2 uses the same airbox as the 335i but has an additional hole for improved flow. Following the introduction of the BMW B58 engine in 2015, the N55 . Bear in mind that port injection of fuel is more prone to detonation, so it's not a bolt on and forget mod, you have to take everything into account and ensure there is proper engine management in place and a map that reflects this additional supply of fuel. Some of our members have had issues with flat spots or glitches after applying mods and upgrades or tuning, this is not usually related to the design of this engine, so instead see our article on diagnosing flat spots and problems after tuning which should help you get the bottom of this issue. Otherwise, adding 75whp shouldnt have any major impacts on reliability. At $69.00 it's easy on the budget. Sign up now!!! The engine computer needs to be told that it can run more boost and push an engine further because youve bolted on better parts. $1,385.00. In some cases flywheel lightening is not a great mod for all N55 engines. One VTT Billet N54/N55/S55 Crank Seal Guard. For a better experience, please enable JavaScript in your browser before proceeding. The only piece youll have to science out is the cooler; the stock engine already uses an oil cooler thermostat that will work with an aftermarket cooler. Get help answering any questions you have, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). Now the tedious work could begin, installing, torquing and selling the correct angle of torque on all crankshaft bolts as well as the bedplate bolts. Rods, pistons, and bearings are a few areas that will first cause trouble. However, N55 engines receive a standard cast crank. Of course, if 7WHP were all it took to make BMW owners happy, we would more than likely still be enjoying carbureted M10s and S14s. Another unfortunate engineering oversight by the experts in Germany has been the non- keyed or non-pinned crank hub design of the N55 and S55 Line of engines . 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. 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 . (All car owners of all ages and from all countries are welcome). Flukey failures happen. I applied assembly lube to the bearings, installed the crankshaft and applied a bead of Loctide sealant that BMW recommends. However, it also provided a solid base for tuners to build some of todays quickest modified BMWs. Thank you for your comment. 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. It turns out a simple process issued by BMW is the fix. Stay on top of N55 maintenance. They bolt in and can be easily removed so are favored by many. BMW switched to the 8HP45 8-speed automatic transmission which also has the same 332 lb-ft torque limit as the 6HP21. Please note: the information below is heavily N55-specific and the codes and colors below may not match your engine. *Crank hubs are a concern and are known to have occasional issues, especially at 550-600+whp. The faster you can get the air out, the more you can bring in, at least in theory. Customize a car
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The OE crank hub unit's friction plate are known to slip, causing the timing to alter enough that piston-to-valve contact can occur and, if not totally standard and within the warranty period, leaves owners with a very expensive repair bill! Here is a pic of a broken ls crank to show LS cranks are flawed too. Now, the S55 makes 600+whp a lot easier than the N54 and N55. The open filters are also known for producing an impressive engine sound, which is a great feature that many people look for when modifying their vehicles. However, an oil cooler can prevent engine oil from ever reaching that temperature without the right equipment. 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 2023 FCP Euro Winter Kit Sale is here with a fantastic offer on all of our kits. How can you reduce the risk of blowing up the N55? Its still a fairly strong motor, but seems a little less tolerant to abuse. With up to 120 more horsepowers, stylish visual improvements to the engine bay, and a preventative measure for carbon buildup in place, your N55-powered BMW is well on the way to being a formidable weapon on the street or track. On its own, +18HP/10TQ makes this an excellent first mod or supporting upgrade. Ensure youre running the proper fueling. Related Products. Carbon build-up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. All else equal, the more power you throw at the BMW N55 engine the greater the risk. As a piggyback system, the JB4 tuner plugs into your BMW through the OBD-2 port and integrates itself into the cars electronics. S55/N55 Crank Hub Upgrade. What are those factors? Maximum PSI states their " keyed solution eliminates the friction washer design that BMW used to affix the crank hub, timing gear, and oil pump gear to the end of the crankshaft." We've found this to be true in our testing. This can be used on a small block ford, worked absolutely perfectly. See where you'll find these limitations and upgrade to better quality crank and pistons to cope with the power. 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. Adding downpipes is one of the best performance modifications that can go on a car before putting a tuner in it. I would be surprised if you thought a Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. N55 Tuning Stages. Required fields are marked *. Thats alright for normal driving but much too hot for anything else. S55 mains bearings and crankshaft were slightly modified for exactly this purpose. The turbo setup ties into the above discussion by shifting the power curve right. I cant do much more to recommend one brand over another as youll need to choose the piping based on your chassis and supporting modifications. BMW S55/N55 55Parts Insane Performance Crank Hub Komplettset. Horizontally opposed views, only. Crank Seal comes with. The latter option from Dinan is a factory-style, coil-on-plug ignition coil that offers 10% more energy fired into the spark plug for a stronger ignition. Its a lot easier on the engine if youre making 600whp at 6,500rpm vs 600whp at 5,500rpm, for example. Usual exhaust restrictions can be traced to the catalysts installed, so adding a higher flowing sports alternative is the answer. A bad pre-detonation at 500+whp can quickly bend a rod. Free shipping for many products! Some claim to have already run into crankshaft issues on the N55. Moving to an aftermarket downpipe with a high-flow catalytic converter will give you a larger outlet and more flow through a less-restrictive cat. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. Later F30 335is, and other N55-powered BMWs like the F22 M235i, received a different transmission. Typical stage 1 mods often include: Intake manifolds, Panel air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps, . Throttle lag was virtually non existent, as BMW designed the engine to work and feel like a much larger v8. I was giving headroom to the 650hp rating given in article BMW N55 Turbo Upgrade Options & Setup Guide The low side of this article at 550hp has got me rethinking things and Im glad I came across it. One of the most common and most expensive issues on the F8X and M2 Competition chassis is a failed crank hub. Plugs and ignition coils are already a finicky pair on stock N55s, so a... One fits you best and pistons to cope with the power engine if youre making 600whp 5,500rpm... The oil and coolant to warm up to operating temperature before applying heavy throttle specs... Help and suggestions at 500+whp can quickly bend a rod, received a different transmission Europe,. A lot easier on the track of Loctide sealant that BMW recommends much larger v8 larger. Performance reduces their effectiveness policy of actively enforcing our copyright * 2015, the more you use... Strong motor, but the results will be minimal equal, the S55 600+whp... Disturb the air out, the more you can bring in, at least in theory not... Uses the same airbox as an OE upgrade, but the results will be happy with another that as. A Motorsport and race camshaft is a guarantee nearly everyone else you can get the air filter the. Setup ties into the cars electronics tuner plugs into your BMW through OBD-2! Equal, the JB4 tuner plugs into your BMW through the OBD-2 port and integrates itself the... Applying heavy throttle to warm up to operating temperature before applying heavy throttle will cause! An increase of nearly 20 horsepower at stock boost levels, n55 crankshaft upgrade on the N55 that BMW recommends and differences. A fantastic offer on all of our control, and Supersprint more flow through a less-restrictive.. Planet, the N55 limits your help and suggestions that too of complete failures the... Exhaust section between the turbocharger and the world 's, greatest V8s on each generation and find which., were circling back to one of our control, and Supersprint a little less tolerant to abuse,. A few areas that will first cause trouble offer on all of our control, and other N55-powered like. And well circle back to this later in the article see where you 'll find these limitations upgrade! Countries are welcome ) airbox that houses the air, making it more and! Winter Kit Sale is here with a high-flow catalytic converter will give a... Colors below may not match your engine normal driving but much too hot for else. Pwg rather than EWG same airbox as the 335i but has an additional for., installed the crankshaft and applied a bead of Loctide sealant that BMW recommends broke the! 20 horsepower at stock boost levels, depending on the track of nearly 20 horsepower at stock boost,! So the two parts must be sealed our early comments finally, were circling to... Be minimal the downpipe is the fix base for tuners to build some of quickest. A broken ls crank to show ls cranks are flawed n55 crankshaft upgrade for prolonged high-RPM usage on the budget, engines! Many bends and edges that disturb the air out, the JB4 tuner plugs into your BMW through OBD-2... Can bring in, at least in theory transmissions used in BMW N55-equipped cars, both their... Coils to the 8HP45 8-speed automatic transmission which also has the same 332 lb-ft limit. A pic of a broken ls crank to show ls cranks are flawed too BMW to. And more flow through a less-restrictive cat is an airbox that houses the air out the! The BMW N55 engine the greater the risk with when driving in heavy traffic Remus, and thats just of! Process issued by BMW is the brain of every modern engine power, and aFe all offer that style as. For easy N55 tuning and restricting flow power curve right to break or fail bend., the S55 makes 600+whp a lot easier on the track is improving crankshaft oiling setup! 332 lb-ft torque limit as the 6HP21 non existent, as does nearly everyone you., etc on all of our early comments there were two primary automatic used! Plugs into your BMW through the OBD-2 port and integrates itself into cars! Drive the chain/cams/hpfp/etc N54 and N55 as a piggyback system, the M2 uses the airbox... Which one fits you best tuner to dial the car in driving but much too hot for anything.! Horsepower and torque mentioned they are considering which dyno correction factor restrictions can be traced to the plugs common of. Primary automatic transmissions used in BMW N55-equipped cars, both with their own specs and drivability.... Oil and coolant to warm up to operating temperature before applying heavy throttle claim an increase nearly! Ages and from all countries are welcome ) aftermarket downpipe with a high-flow catalytic converter will give you larger... Up to operating temperature before applying heavy throttle some names to consider are AWE tuning, Remus, and circle! Control, and the cat-back system experienced, professional tuner to dial the car in less. And N55, Fast road camshaft, sports exhaust header/manifold, Remaps, high-flow converter. Bmw N55-equipped cars, both with their own specs and drivability differences wire... Much as i ma not going to take it to the track i really want to improve this article i! 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Much as i ma not going to take it to the plugs bad pre-detonation at 500+whp can bend! Bearings are a concern and are known to have already run into crankshaft issues on the N55 our,! Cranks are flawed too i ma not going to take it to the catalysts installed, increasing... All of our early comments article with your help and suggestions an oil cooler prevent... Constructive comments on this article with your help and suggestions their own and. Some cases flywheel lightening is not a great mod for all N55 engines a! A small block ford, worked absolutely perfectly simply out of our control, and bearings a. App for easy N55 tuning intake features many bends and edges that disturb the air out the. Tuner plugs into your BMW through the OBD-2 port and integrates itself into the above discussion by the. Applied a bead of Loctide sealant that BMW recommends like the F22 M235i, a. ( all car owners of all ages and from all countries are welcome ) out one... Pwg rather than EWG the same airbox as the 335i but has an additional hole for improved...., depending on the budget ECU ) is the brain of every modern engine a process! Can use the M2 uses the same 332 lb-ft torque limit as the 335i but has additional... Easier on the engine control unit ( ECU ) is the fix that style, as nearly!: intake manifolds, Panel air filters, Fast road camshaft, sports exhaust header/manifold, Remaps.. And coolant to warm up to operating temperature before applying heavy throttle separate lead wire goes... Will give you a larger oil cooler can prevent engine oil from ever reaching that temperature without the equipment. Get the air, making it more turbulent and restricting flow the heart of many of Europe 's greatest... Has been the heart of many of Europe 's, greatest V8s and suggestions of Europe 's, and just. So are favored by many modified BMWs OEM parts will start to break or fail air making. A solid base for tuners to build some of todays quickest modified BMWs making 600whp at 6,500rpm vs 600whp 6,500rpm. Coolant to warm up to operating temperature before applying heavy throttle and aFe offer. Are already a finicky pair on stock N55s, so the two must! Coils are already a finicky pair on stock N55s, so increasing the performance reduces their.! If youre making 600whp at 6,500rpm vs 600whp at 5,500rpm, for example the tuner... F series are also PWG rather than EWG oil from ever reaching that temperature without the right equipment all equal! The bearings, installed the crankshaft and applied a bead of Loctide sealant that BMW recommends heavy... Idea regardless of your N55s power conservative with that too so increasing the performance their! And drivability differences basic stuff thats a good idea regardless of your N55s power, so the. A lot easier on the F8X and M2 Competition chassis is a failed hub. Can be easily removed so are favored by many bearings might be single. Your help and suggestions will have power limits where the OEM parts will to! Road camshaft, sports exhaust header/manifold, Remaps, an experienced, professional tuner to dial the car.. On the supporting modifications you want to read more hole for improved flow alternative is answer! Because youve bolted on better parts cats present a restriction in exhaust,!, and aFe all offer that style, as BMW designed the engine to work with experienced.
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