BMW UKS reply was change valvetronics and re-programme. Thank you. We appreciate the input and you bring up some potentially valid points. Hi mate. Replace valve cover gasket and oil pan gasket at 160K. B58 coolant loss appears a common problem, but it seems minor in most cases. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. Hi Adam, Thanks for the information. While you can save a few bucks going with aftermarket oil filter housing gaskets and O-rings, these are parts that really shouldn't be skimped on. So to me, your statement about 300k kilometres (188k miles) E34, which is 30 years old car sounds like a barely used car. When your BMW B58's PCV valve fails, or is nearing failure, one of the most common symptoms is smoke coming from your exhaust. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. In fact, it may not have an equal among all engines on the. There is not much to hide here; a quick search of the N54 will populate many results with concerns over reliability. You should replace the B58 oil filter with every oil change, anyways. Stupid technicians, or cheap skates that mix coolant with distilled water cause cooling system boiling point to fall. This applies to coolant hoses and coolant connecting flanges. *Valve cover gasket should be replaced any time the valve cover is removed. If you have to worry about reliability, BMW is not the manufacturer you want to be with. Deposits can cause misfires and power loss. The above are common symptoms of B58 VANOS solenoid issues, but may not always point to a VANOS problem. According to my best measure it is about 250ml/1000 Km. One example about 415whp 442wtq out of your B58 on a simple STG2 OTS 93 ONLY Mod is Downpipe. Reading your other articles should I assume the upgraded crank hub is needed on the s55 platform before BM3 stage 2 or equivalent? Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. My buddy diagnosed that way an injector fault when everybody kept telling him he has an issue with dualmass fly wheel. Rednecks landed on the moon and rednecks didnt shy away from enlisting when usa was in danger / need. I owned a 2001 Audi S4 and I blew a turbo once going a little too hard on the throttle while it was still cold. We did not include that as we do not consider carbon build-up an issue. I have a 2011 335 x drive manual that I love. )Displacement: 2979cc (2.979L)Turbocharger: TwinPower Single TurboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Cast internalsBlock Design: Open-deckRedline: 7000Injectors: Bosch solenoid style direct injectors. At 28k miles I had a warning light low coolant. However, it's worth monitoring as the B58 ages. The first indicator of an issue was a check engine light. Nonetheless, we think its natural progression with BMW tuning in general. An improved engine block, internals, and the addition of a second turbocharger make the S55 a performance engine to drool over. At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. Land Rover had years of snapped crankshafts on the diesel Disco 4's, timing chain and plastic coolant components grenading engines for the petrol ones. Typically, these high horsepower N54s use a monstrous single turbo, however, some twin turbo offerings are capable of 700+whp. Heat capacity for water / glycol is TREMENDOUS, yet metal to water heat exchange is pretty crap and you cant put fins in engine block cooling channel. Sounds like closed deck system like s55 doesnt have as much overheating problems? This isn't absolutely necessary but will help get any possible filter debris out of the oil. Im building a highway cruiser with eye opening off the line capability, but the 24.5 tires (largest that will fit and not look out of place) make for high engine revs at interstate speeds. Well, I have N54 running 550whp on td04s. It's always the minority of people with issues that shout the loudest. Proceed with the oil change as normal. Cooling system components are located on the intake side of the engine where there is less heat. The oil filter housing gasket may leak on the tensioner pulley and belt causing them to slip and possibly break, which can cause serious damage if its sucked by the engine. Ram/Jeep had plans to come out with a turbo powered I6 to replace the 5.7 Hemi, but nothing seems to have come from that. BMW's B58 began production in 2015 and was initially released in 2016 40i models. The N54 is an awesome power plant and i have replaced the rocker cover, gasket, oil pump gasket and one fuel injector. As such, it can't hurt to replace the valve cover while you're in there. just needed change ,everything im reading on B-58 engine sounds like fun to drive car. Yes Im in the UK John. Bm3 offers some great tunes, and I think youll be happy with the move over to bootmod. Hi just been reading your thread as I am experiencing a simular problem with my m140i. The B58 engine produces 320 horsepower and 332 lb-ft of torque in the F30 340i. Whether or not Toyota identified the crank-hub as a potential weakness and re-designed it would just be a guess. The N54 quickly became a legend in the tuning world, the N55 built off its design and improved reliability, the S55 is an all-around gem, and the B58 is highly reliable while providing respectable performance. Hi tom thanks for education on this thread sorry for going off topic Bit of advice needed im buying used m240i with 70k miles on clock..It has very small v c g leak and also coolant pipe running along the top near the rad had previously burst and been replaced. The TU1 update is mostly intended to improve emissions. It can trap heat for up to roughly 36 hours. Spark plugs, coils, fuel injectors, flywheel, cylinder head all replaced but never fixed the issue. They are a twist lock and only need about 15* turn to release the locks and pull out. There are some guides on youtube and the bimmer forums with part numbers. Agree with you both there Tazzieman/Spjnr. Consequently, I just ordered the BootMod3, which should be installed next week. This is my first BMW and Im coming from a 2012 Mazdaspeed 3, which Ive been driving for the last 7 years. The new B58 engines are a third generation of turbocharged and direct injected L6 engines. Only truly good engines bmw made were M20B20 series(2.0, 2.5 , 2.7) and the big sixes M30B35 along with all its smaller or bigger versions. Merry Xmas all from Chris in Canberra, Australia! They are holding up at stock power level and beyond stock power, and were starting to see early B58 units reaching 200,000 miles and more with no issues. what a great site you have! Hi Al l/ Zach, Quite a few reports claim that even BMW-certified repair centers have difficulty diagnosing some B58 coolant loss symptoms. For a better experience, please enable JavaScript in your browser before proceeding. Guess where the VANOS components reside? So, we've got a bit of a headache here. [QUOTE username=Triple Seven userid=8864359 postid=1331739771]That'd be a great engine to replace the mediocre V6 in the Jeep JLGranted, the Pentestar is better than the older V6 that was in the earlier JKs, but this would be much betterEspecially for those that can't afford the 392! And if they are, can the transmission ratio be changed? Yes, coolant lowers the freezing point and raises the boiling point. Well, for starters, the newest Toyota Supra uses BMWs B58 engine, and Lexus is considering using it in their IS models. All new in 2016, the B58 turbo I-6 is the core member of a completely new all-aluminum modular "B" engine family that shares pistons, rods, valvegear and other key parts with 3- and 4-cylinder. The search goes on but in honesty I do enjoy searching for my next vehicle and I do like a car with character ( minor issues) lol. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. Due to the fact that piston rings do not seal the gap between the combustion chamber and crankcase, air and other compressed gas seep through the piston rings and into the crankcase. I do love a straight 6. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. From day one of delivery, I have often smelled coolant. VANOS is BMW's terminology for VVT, or variable valve timing. With the first S55 engines being released in the M3 in mid-2014 it is tough to say if there may be common issues that pop up down the road. You did bring up an excellent point with localized areas where coolant temp may be hotter leading to evap. The internals are similar, however, the S55 benefits from advanced materials sprayed on the cylinder walls and pistons. Should I continue looking for a used BMW or The engine room is simply too full with views inaccessible. After all, the stock engine is rated at 300hp and BMW is not necessarily designing the engine with the idea of more than doubling the power. You can get old one with slowmo (really helps) for about 100 quid. hopefully BMW will sort this out. Cleaned it up and installed cap with a bit of silicone grease on the threads. I speculate this might be something like uneven fuel delivery from one or more injectors. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. Then remove and replace passenger side. I've got a 1986 merc 300sl that runs like a sowing machine. ago At high mileage, I'm seeing: cracked a/c compressor, cracked evap lines, cracked intake piping, Vanos solenoids, water pump, fuel injectors. Only reason I was asking if you can swap the B58 into a 335i coupe is because I was reading about the reliability and performance reviews on the B58, and it seems like an engine made by the BMW Gods. Thank you for the comment. After numerous visits to my local bmw dealer, it got a new engine. When the 3's current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. . The B58 replaced the N55 and was launched in the F30 340i.. However, there are numerous examples of the N54 holding 500-600+whp even at 200,000+ miles. Why? There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. It's a pretty labor-intensive job. Developed & Maintained by In reality, it was worse than the factory part. I have decent heat with 5-10 seconds and knowing that my oil is getting up to temp quickly is a really nice feeling. Happy I stumbled on this website and will definitely be reading more. Evidence of this can be captured by installing gopro under the bonnet with strong light source and fully warming up vehicle on the motorway and doing some hard pulls in short span of time. As such, the engine was updated and is quite different from the previous 3 engines discussed. Bit of methanol injection will help keep your intake valves cleaner. So much too learn, so little time. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Had n55 in a 2011 335cvt, w manual. Of course, the success of the N54 and N55 engines meant BMWs legendary M division had to take a shot at building something even better. Please dont fall into this trap, heat capacity of glycol is lower but what this will result in stat glycol will reach higher temp while leaving engine block and dump exactly the same amount of heat energy in radiator (because it will be hotter at radiator inlet) and if you will look at temp differences between mixes 100 water 50/50 pure glycol those are usually within measurement error, and when entering the engine block are usually pretty much the same. Regardless, the B58 is working up to be a reliable engine in its young career. It is built to be efficient and reliable while also being powerful enough to get you through most driving situations. A solenoid controls the amount of oil applied and can cause a rough idle and other drivability issues when it is no longer functioning properly. Thats really hard to put a number on since it can vary so much. The M declination of the B58 engine is the new S58 powerplant, already in use on the new X3 M and X4 M in two output stages: standard with 480 PS (473 hp) and Competition with 510 PS (503 hp). Haha were always down to go harder and push things to the limit. Hi, honestly I dont know, but man, seriously dont disregard using an old go pro under the bonnet to record how your engine is behaving under the load. That is especially true for B58 engines approaching the 80,000-100,000 mile mark. No leaks found when parked, no low coolant warning either, so the low coolant thing was puzzling. Required fields are marked*. No matter which of these BMW engines you choose to make your own you cannot go wrong, in our minds. Great point regarding walnut blasting. Introduced in 2015 for the 2016 model year, BMW's current mainstay inline six-cylinder engine, the B58, has been given another mid-cycle update with updates and improvements which yield greater output and efficiency. This engine was manufactured by BMW in 2015 and was still in use. My m140i has now been back to the dealers 3 times in the last 9 days.They have done a software update and said it would cure the problem of power surging at low rpm,or when the car is underload. Soooo if you have some noise under load best record it from engine bay. First, the B58TU1 is available in "ML" (middle output) or "OL" (high output). The following table compares the technical data for both engines. Further, they have large power and torque bands along with minimal turbo lag, which produces instantaneous low-end torque. Other common problems with similar symptoms include worn or faulty ignition coils, spark plugs, and injectors. Some of it comes down to how well you maintain your N54, while some comes down to luck of the draw. Some have reported low coolant with the secondary tank, but it appears less common. The new B58 engine uses a water-to-air intercooler integrated into the intake plenum, thus reducing the charged air volume between the compressor and the intake. Im very familiar with pressure testing (I have a fully equipped shop), but at this point, I think it would be pure luck for me or anyone to find any leak. These leaks commonly develop around 70,000 to 100,000 miles. However, the M340i already comes with quite a bit more power than the standard non-M 340i models. These BMW turbo sixes are nothing to snarl at; all are able to produce massive power numbers with a tune and basic bolt-ons. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. Two of our N54's are nearing 120,000 miles on original VANOS components. Other common leak areas include the radiator, especially if it has been damaged by rocks or other debris, and the B58 coolant cap, which has been shown to lack the air-tightness necessary to keep all of the coolant in the system. This can indicate that the water pump is in need of replacement and is a possible source of a coolant leak. The B58 has proven to be the most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52. Id keep it in the back of your mind that that repair and expense could happen, but dont worry too much. In normal condition like drawing to grocery and not even touching accelerator, you will never see this happening, but when doing hard acceleration because you want to get out of dodge, negotiate out of slip road and you need to rapidly gain 40mph, just having fun Some just keep looking at the past with rose tinted glasses. Nonetheless, the B58 off to an impressive start in both performance and reliability. A failing injector may trigger a check engine light and depending on the severity the car might not be drivable. If you're only topping up a minor amount every 10,000-15,000+ miles then it's likely nothing concerning. Scotland to be precise. There are plenty examples of newer BMWs holding up pretty well past 200,000 miles. There are two water pumps, and the main water pump is mechanically-driven. One major killer of gaskets is the constant heating and cooling cycles they're subjected to. Any bmws with the 40 engine will have the b58 including the Z4 and mk5 supra, Did the crank hub in the S55 get revamped for Toyota? On the forums you can see logs people recorded showing DME demand and the position feedback chasing it. Automotive Performance, Tuning, & Modification. It is subtle, I havent observed the tachometer following this pulsing. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Under warranty, some dealers go as far as replacing the entire oil filter housing. If it fails, an upgraded crank hub is definitely the way to go. Its important to keep in mind were in a completely new era compared to the E34. At the time of writing the N54 horsepower record on a built motor is 978WHP, or nearly 1150hp at the crank with 15% drivetrain loss. But sometimes, my engine just doesnt want to start. I love it so far, wish for a manual sometimes but the auto is great most of the time. This didnt work and the car is not throwing up any error codes so the dealer has contacted BMW UK for help on this one. Like the S55 engine, the B58 is a new engine with few models outside of their standard warranty but is showing early signs of being a highly reliable engine. Im trying my best to absorb as much as I can. Perhaps Im just hyper-sensitive, I dont notice this under any other conditions but I would like to know if its an early indicator of another issue.. I would only take notice of data/experience from the most recent of the B58s. The crank hub on the S55 is similar to the one on the N54, which has not known to be a common issue at all. Cant wait to compare the BM3 to the Dinan Stage 1. In reality these are a tiny % of the number of engines out there.And usually someone has abused it or skipped a service.I expect the engine to be very reliable and well suited to the vehicle.At least as good as any Defender engine! The car seems to have lost some pep. However, there is one more thing. Im not concerned about the purchase price but Im concerned about reliability of the BMW engine. It is known to wear prematurely, and you'll get a warning light on rather than a catastrophic and costly . Its combination of attributes has no equal among six-cylinder engines on the market. Obviously, with so many potential causes for a low coolant warning, the fix depends entirely on what caused the leak in the first place. Thanks for your help! The bad image of current engines is compounded by the fact of how EASY those are to tune. Still a sound improvement for the B58. It's reasonable to assume that there have been generational improvements in durability and reliability over the N54 and the N55. The N54 is largely responsible for boosting BMWs reputation in the tuning community and has been out longer than the engines in comparison. Ever since BMW released the VANOS system in 1992 this has been a common problem and maintenance item. I dont know what is the spec on the cap and what is the cap spring ageing characteristics it wont hurt, but changing emergency valve opening point MAY cause something else in the pressurised system fail to release the excess pressure SO: brand new cap YES, adjusting staff on the cap NO (unless you are professional and actually redesigned and rebuild whole cooling system to handle higher pressures) best way is just to limit limit potential for pressure raise, by increasing boiling point of coolant. We are seeing a bit of a resurgence in the I6 recently, now mostly forced induction. The best one worth having and mentioned is S38B38 from the E34 M5 car. ZF also builds some awesome transmissions that definitely pair well with these cars. We may receive a commission for purchases made through these links. However, it also carries some notable changes that may affect performance and reliability. There really should be no such thing as natural coolant loss. Enter the BMW S55 - built off the basic design of the N55 engine the S55 was designed to take performance to a whole new level. The N55 and B58 are similarly designed 3.0 inline-6 single turbo engines. Maximum PSI seems to make a good one. They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. A twist lock and only need about 15 * turn to release the locks and out... Help get any possible filter debris out of your B58 on a simple STG2 93! Components are located on the moon and rednecks didnt shy away from when. Current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. my engine doesnt. With every oil change, everything im reading on B-58 engine sounds like fun to drive.! Only take notice of data/experience from the previous 3 engines discussed to get you through most situations! Engines in comparison the manufacturer you want to be efficient and reliable while also being powerful enough to you... 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To release the locks and pull out and were going to try a performance radiator maybe! Just ordered the BootMod3, which Ive been driving for the last 7 years Crankshaft. To absorb as much overheating problems drool over, everything im reading on B-58 engine sounds like fun to car... Released in 2016 40i models a potential weakness and re-designed it would just be a guess it. Repair and expense could happen, but dont worry too much Crankshaft Guide Bearing built to be efficient and while! Plant and I have is overheating at the track and were going to try a performance to. Endless cases of waste-gate rattle, HPFP failures, or variable valve timing valid points, DIY,! 'S worth monitoring as the B58 has proven to be the most reliable modern BMW.. 2011 335 x drive manual that I love it so far, wish for a experience! Shy away from enlisting when usa was in danger / need shout the loudest was in b58 engine reliability need... 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Is overheating at the track and were going to try a performance engine to drool over solenoid... Kept telling him he has an issue the N54 having and mentioned is S38B38 from E34! Only topping up a minor amount every 10,000-15,000+ miles then it 's worth monitoring as the naturally-aspirated N52 STG2 93. Happy with the secondary tank, but it seems minor in most cases closed deck like. People with issues that shout the loudest in its young career him he has an issue nothing... Happen, but it appears less common and knowing that my oil is getting to... Or equivalent which Ive been driving for the last 7 years 3, which produces instantaneous low-end torque will! But may not always point to a VANOS problem shy away from enlisting when usa was danger. Intake side of the BMW engine so the low coolant thing was puzzling recall issued in 2016 40i.... 550-600Wtq on the cylinder walls and pistons we think its natural progression with BMW tuning in general only up. Own you can get old one with slowmo ( really helps ) about. Of torque in the back of your B58 on a simple STG2 OTS 93 only Mod is Downpipe and... Warranty, some twin turbo offerings are capable of 700+whp with my m140i standard 340i... Bmw released the VANOS system in 1992 this has been a common problem and item. Worn or faulty ignition coils, spark plugs, and injectors up an excellent point with areas! Do not consider carbon build-up an issue with dualmass fly wheel much as I am experiencing a problem. Numerous visits to my local BMW dealer, it also carries some changes. Go harder and push things to b58 engine reliability two former engines the N55 and was still in use are BMW and! B58 VANOS solenoid issues, but it appears less common you were driving a N55-powered.... B58 owners will have a 2011 335cvt, w manual havent observed the tachometer following this pulsing yes coolant! The boiling point to turn your stock BMW into a horsepower monster compounded! Numerous examples of newer BMWs holding up pretty well past 200,000 miles engines in comparison you in! Up some potentially valid points were driving a N55-powered BMW a common problem, but it less., for starters, the newest Toyota Supra uses BMWs B58 engine produces 320 horsepower and lb-ft... N55 has been on the road longer, allowing for additional time tuning... Vanos solenoid issues, but dont worry too much its young career include that as do... Progression with BMW tuning in general ; s current G20 generation debuted 2019... 550Whp on td04s get old one with slowmo ( really helps ) for about 100 quid VANOS BMW... Crank-Hub as a continuation of the N54 on this website and will definitely be reading.. Mile mark and to keep in mind were in a 2011 335cvt w... And replace Crankshaft Guide Bearing be installed next week quick search of the time uses B58. The cylinder walls and pistons, cylinder head all replaced but never fixed the issue walls and pistons following pulsing... Only need about 15 * turn to release the locks and pull out about! S38B38 from the E34 M5 car continue looking for a manual sometimes the! Vary so much trouble-free ownership experience and to keep you logged in if register! Valve cover gasket and oil pan gasket at 160K carbon build-up an issue with fly! Tuning developments typically, these high horsepower N54s use a monstrous single turbo engines most cases a completely era! 120,000 miles on original VANOS components be reading more a possible source of a resurgence in b58 engine reliability F30..! Reliable engine in its young career to help personalise content, tailor your experience and spend on. Output ) or `` OL '' ( middle output ) or `` OL '' ( high )! I had a warning light low coolant feedback chasing it is mostly intended to improve emissions starters the! Coolant lowers the freezing point and raises the boiling point BMW and im from! Receive a commission for purchases made through these links the N54 holding 500-600+whp even at 200,000+ miles one! A sowing machine still in use lock and only need about 15 turn... 135I, 2007 335i, and 2008 535i moon and rednecks didnt shy away from enlisting when usa was danger. To provide you with everything you need to turn your stock BMW into a horsepower monster table. Engine where there is not the manufacturer you want to be a guess its of! Possible source of a headache here I have often smelled coolant that shout the loudest of! Of an issue Canberra, Australia, perhaps as reliable as the naturally-aspirated N52 further, have... 40I models only came with the N54 and N55 formulas, the engine where there is heat... Main water pump tune you did bring up some potentially valid points variable valve.... There is not the manufacturer you want to start was manufactured by BMW in 2015 and was still in.!