e92 168k miles (tune about 30% up) All things considered, the N55 was still an improvement over the N54 in terms of reliability. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. or these are minor for this strong engine? Maximum PSI seems to make a good one. I live in a cold climate, so the whole heat encapsulation thing is really nice. Its a superior design for strength but theyre often more challenging to cool. Designed for use in the legendary BMW M3 the engine takes from the N54 with its true twin turbocharged set up. We are hoping to soon add an F80 M3 and F82 M4 GTS. You can get old one with slowmo (really helps) for about 100 quid. Thank you for the response and enjoyed the articles. The B58 is a great engine, but the S55 is better. On the forums you can see logs people recorded showing DME demand and the position feedback chasing it. Since then, Ive been wait for Dinans Stage II, III and turbo, but, nada. Although, Im not sure if they have anything for the M340i. Carbon build-up is also prevalent in todays modern engines with direct injection. Stock Power: 300 HPWorld Record HP: 978 WHP (~1150hp at the crank assuming 15% drivetrain loss)Displacement: 2979cc (2.979L)Turbocharger: Twin turboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Forged crank and rods. Had n55 in a 2011 335cvt, w manual. The question is , how much torque can the ZF gearbox version used in the petrol version handle? Let's examine the changes from the B58 to the B58TU1 before we dive into any B58 engine problems. I add small amount of coolant from time to time, but nothing crazy. I have spent most the week either under the bonnet or driving the car so i can give BMW as much information as i can.I think i may have discovered what is causing the surging when driving at a consistent speed , and hesitation when driving off from being stationary. Required fields are marked*. Weve always run 50/50 coolant/water mixes (as with many others since thats the recommended ratio). The N55 and the B58 share a similar design but are very different engines. The engine still has not seen significant tuning and aftermarket development, so it is tough to put a number on the upper limits of the engine. Some power gains can still be had with the M340i, but the actual horsepower gains will be a bit lower since youve got a higher starting point. So I will let it leak and add coolant and see if over time a visible stain emerges at any location. Hi, I have a 2016 340i with 35k miles and I have been having problems with coolant consumption. BMWs S55 engine is without any serious common issues even when modified, so this engine earns high remarks for reliability. Which engine is more reliable, the N55 or the B58? The B58 is definitely an awesome engine and were impressed with how quickly things are moving forward with the platform. As shown, the N55 shares the same stock power, displacement, compression, bore/stroke, and block design as the N54. However, it also carries some notable changes that may affect performance and reliability. Currently, the BMW B58 engine can be found in most of the current 40i and M-badged 40i BMW models . The OEM design usually just spins and throws timing off; its highly unlikely it will cause any other damage. The new B58 engines are a third generation of turbocharged and direct injected L6 engines. We appreciate the positive feedback. Well, for starters, the newest Toyota Supra uses BMWs B58 engine, and Lexus is considering using it in their IS models. The above are common symptoms of B58 VANOS solenoid issues, but may not always point to a VANOS problem. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. Right by the timing chainat the back of the engine. Bit of methanol injection will help keep your intake valves cleaner. Yes Im in the UK John. Under warranty, some dealers go as far as replacing the entire oil filter housing. There is one turbo with two scrolls feeding the single turbocharger. )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. When the 3's current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. . The B58 engine is the successor to the N55 engine. Flush out and refill coolant every 5 years. I also wasnt sure how I would find the paddles, and although I miss the third pedal, the paddles are a blast. The new injectors found on the N55 are not nearly as problematic as the piezo injectors. Either will be plenty of HP in stock form, but I would probably do intake, down pipe, and exhaust, and replace all known gasket and seals that can be issues before installation. A closed-deck block is a significant upgrade from the open-deck designs on the N54 and N55. You can typically see built-up blue or green coolant residue collecting around the hole from under the car. Nonetheless, you must pay to play and the N54 is no exception. It is more of a testament to just how good the two remaining engines are. Solenoids don't usually fail instantly, but rather become less effective with time and age. Thanks for your help! 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. If you can pull out the broken filter, inspect and clean any debris. Was stock. It . 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. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Deposits can cause misfires and power loss. Copyright 2021 - 2023 BMW Tuning LLC. The B58 is not only powerful, fantastic to use, affordable, and reliable (from what we can tell, it's still a relatively new engine), it also has innovative tech, such as mild-hybrid systems in. This does help a bit with longevity. After replacing it he enjoys the car again and issue is rectified. This helps with the length of the connector cable. Now, people can throw $1,500 in bolt-ons onto their BMWs and make an extra 100-200whp. For that reason, the B58 scores the worst value rating. Reliability + performance. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. An improved engine block, internals, and the addition of a second turbocharger make the S55 a performance engine to drool over. This could be from numerous problems, but no common major issue has been found among the reports of coolant loss. The N55 was replaced in 2016 by the B58. Great engine and a solid chassis that is fun to drive, especially with some suspension mods. So to me, your statement about 300k kilometres (188k miles) E34, which is 30 years old car sounds like a barely used car. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. This usually occurs during startup, but can still continue when the engine is warm. 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. Thanks for the great read. However, water is much better at carrying heat and actually cooling the engine. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. This engine shows massive potential not only on paper, but also in real world results. There is a general rule of thumb that third of energy goes into wheels, third into exhaust and last third into cooling and only true professionals do anything about it. Should I continue looking for a used BMW or Glad I wasnt imagining this weird phenomenon . ps. Three times this has happened and Ive only just reached 14500 miles. Disclaimer: This site contains affiliate links. Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. Hi just been reading your thread as I am experiencing a simular problem with my m140i. Never put excessive loads on the engine when its still cold. Next stop replace control arms on front and rear, along with shock mounts front and rear she will be running smooth as new. The upgrades to the B58 include a closed deck block, forged steel crankshaft, air-to-water-intercooler, and an upgraded fuel pump. With that being said, I would not buy a BMW B58 at this moment. If you want to avoid that, there are some other solutions to solve a broken PCV valve. Be on the look-out for more of these issues to pop up in the coming years. Yeah the I6 is a lovely engine that, if fitment allows, works great in any Application. This is where the B58's heat encapsulation system may come into play. Great point regarding walnut blasting. It says a lot that Toyota opted to use the B58 in a model that made them known for building a beautiful engine in the 2jz. The ones that did exist were small and it was a much much smaller market prior to the turbo era. Also in traffic situations transmission is not smooth at all hard shifts from 1st to 2nd gear, but only when I drive it slow. With the extensive list of common problems, it is fair to say the BMW N54 is not cheap to own or maintain. Despite it being a relatively young design, the B58 seems to be a very reliable engine. In addition to its smooth power delivery, massive untapped power potential, and internal strength, the B58 is also one of the most reliable engines that the Bavarian marque has ever produced. As B58 water pumps reach high mileages, they tend to release coolant from the weep hole on the bottom of the water pump assembly. The B58 oil filter is prone to shearing at the bottom. I have a 2018 440i with the OEM Power and sound kit and Dinan air intake for added HP. It cost about 180 Euro. 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. Did BMW live up to that reputation? We recommend changing the oil soon after this occurs. **Ranks are as compared between the four turbo, inline 6 engines**. In fact, it may not have an equal among all engines on the. Fortunately, BMW learned its lesson on the N54 and focused on improving the reliability of its future turbo engines. Ok, definitely my thought process as well. So much too learn, so little time. You can say we are somewhat N54 fanatics. Wich is a totally different animal Good for 1400 hp or even 2000 hp ,on the dyno at the wheels! 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. The information I cant find are physical dimensions of either engine (especially height). 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. Really appreciate the info. Hello, I own F20 120i 2018 with B48 engine (184hp). Required fields are marked*. Spark plugs and ignition coils wear down pretty quickly once you start modding the N55 and B58. This is my first BMW and Im coming from a 2012 Mazdaspeed 3, which Ive been driving for the last 7 years. other than that it runs good and I still like it. Any input apreciated. If you get a downpipe and aftermarket tune youll definitely want to remove the cold start function. 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. now have 2015 435i with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait. Had the well known gasket issues. That could be said for many modern engines. B58 engine is same used for for M4 with greater HP. The B58 is more reliable than the N55. B58 to N55 Comparison. The BMW N55 followed the N54 with its initial release in the 335i beginning in 2010. Nonetheless, the B58 off to an impressive start in both performance and reliability. The rough idle is a symptom of the VANOS solenoid. While coolant leaks are common on the B58, there are other reasons that can cause B58 coolant loss outside of a hole in the coolant system. . Cast pistons.Block Design: Closed DeckRedline: 7000. Most repairs at the dealer will easily run over $1,000. *Valve cover gasket should be replaced any time the valve cover is removed. We did not include that as we do not consider carbon build-up an issue. This was a great article. Bimmerly is a hub for BMW enthusiasts. Just purchased a 2021 M340. Stock Power: 300 HPWorld Record HP: Estimated 750WHP (we haven't seen any dyno's, please send us some if you have any! Conclusion. That's our simple answer for now. In a world where high horsepower cars are increasingly more common these are still absolutely insane numbers. If you have any feedback, comments, or corrections about any of our content please let us know! Turns out coolant was getting into the engine. Thank you for the comment. Improvement of Valvetronic - VVT4 with reduced height. A failing injector may trigger a check engine light and depending on the severity the car might not be drivable. Rear mounted VANOS and timing chain. I couldnt imagine them using it if there was in fact an issue. A tune and bolt-ons will take the B58 into the 400whp+ range; impressive for a 3.0L engine, but nothing crazy compared to BMWs other inline-6 turbo engines. While that is an anomaly, with B58 water pumps typically lasting until around the 75,000-100,000 mile mark, they are known to wear rather quickly. The N55 was a technologically advanced engine at the time that brought many reliability improvements over its successor but was inherently not as strong as it could have been due to a cast crankshaft and an open deck block. Totally agree. In 2010, the 335i received the updated N55 engine followed by the B58 in 2016, however, the model was rebranded to the 340i. Be prepared for potential B58 oil leaks from the valve cover gasket. Just about every part of the S55 is bigger, better, and stronger than on the N54. The B58 has had minor oil leaks, and some report coolant loss, but the internals of this engine have held up over time while providing ample performance. Im not concerned about the purchase price but Im concerned about reliability of the BMW engine. I bought it at about 75k. I dont want to be that guy. Washed my hands with it and looking forward to my next car (not BMW). As such, it can't hurt to replace the valve cover while you're in there. I have had all 3, I had a 535i e60, with the n54. So, we've got a bit of a headache here. Changed injectors, spark plugs, coil packs and transmission fluid w/ new filter and pan @ 100K and she running like a dream. Also labelling this is something that got me pissed of few times because when manufacturers get lazy they combine SKUs per language, not per region as they should then you can end up with advice on label being the same for super hot climate and super cold climate. 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. B58 is reliable, bulletproof and can handle hella boost on stock block. However, it's worth monitoring as the B58 ages. If youre having any warranty work done youll probably want to remove the JB4 tune to error on the side of caution. 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. Regardless, the B58 is working up to be a reliable engine in its young career. The cost $60-$65 each and get a few spare clips. You may notice burning oil smells in the cabin. Ive always read about how BMW underrates their engines, but are there really estimates the B58 is making close to 320 at the wheels?! These leaks commonly develop around 70,000 to 100,000 miles. Additionally, though it shares the forged crank and rods with the N54, everything on the S55 is stronger and beefier. 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. Of course, we are biased towards BMWs here at BMWtuning.co, but we fell in love with these modern turbo BMW engines for a reason. Jake and I have both had excellent experiences with reliability on our N54 powered 135i and 335i, respectively. VANOS is BMW's terminology for VVT, or variable valve timing. Save my name, email, and website in this browser for the next time I comment. Currently, it is the most tuneable engine, in our opinion, as it has the largest aftermarket offerings. Just go hard more. I have decent heat with 5-10 seconds and knowing that my oil is getting up to temp quickly is a really nice feeling. Fortunately, there is not much more to discuss with the BMW B58 reliability. Thats really hard to put a number on since it can vary so much. Theres a lot of speculation and potential biased claims as far as I can tell so it would be nice to hear an unbiased opinion on this matter. Its important to keep in mind were in a completely new era compared to the E34. Despite the improvements, the N55 is still prone to other issues shared with the N54. Thanks. The BMW B58 engine is a turbo 3.0L inline-6 that was first introduced to BMW models in 2016. Typically, boosted engines are better suited for lower compression, as a longer stroke subjects the internals to boosted pressures for longer periods. Often it comes down to the luck of the draw and how well the engine is maintained, but overall, expect the B58 to be a reliable engine. just needed change ,everything im reading on B-58 engine sounds like fun to drive car. It provides an opportunity to improve one single design, as opposed to totally re-designing engines. And for those with lots of money to spend theres the Ford BARRA 4.0 straight six engine! Your email address will not be published. Before some people will get but hurt and start flame war I dont hate on rednecks. I eventually sold my car back to the dealership without me ever getting g to the bottom of the issue. The B58 is not only reliable judging by BMW standards but by international standards. Im looking for my first sports car and BMWs seem very nice. 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. However, the relatively simple single turbo design of the N55 kept things reliable as long as stock power wasnt exceeded by magnitudes. Expect B58 solenoid issues to arise around the 80,000-100,000 mile mark. Nonetheless, carbon build-up is standard on almost any directed injected engine. e90 200k miles. Upgraded from a 335i N54 to the the 2016 340I B58 THE 335i had nothing but problems changed the HPFP water pump & fuel injector, sold the car before the turbo needed to be changed. The car seems to have lost some pep. Yeah - a straight six is a beautiful thing. I found remove driver side first. This can indicate that the water pump is in need of replacement and is a possible source of a coolant leak. One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. Of course, this may vary a lot from shop to shop. I really want one with the N55 or B58 single twin scroll turbo and plan to do about 350-400whp. Yes, coolant lowers the freezing point and raises the boiling point. Cant wait to compare the BM3 to the Dinan Stage 1. Still, every rig that Ive run on emission testing by rule of thumb if there was more than 75 bhp / litre of displacement we would just run it on pure glycol you know, when you try to plot efficiency map on low charged 2 litre diesel (or god forbid DV4/ DV5 /DV6 engines) it makes no point, but if you start playing with something like 2 litre & 200 bph, then local boiling does happen all the time on long pulls with 50/50. It's reasonable to assume that there have been generational improvements in durability and reliability over the N54 and the N55. It manages a respectable 322-382hp and 332-369 lb-ft from the factory. Or you may be getting the more expensive stuff and driving 15,000 miles a year. I too have had the coolant loss issue. It may not display this or other websites correctly. Is B58 Engine Reliable? 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. For this reason, it is important to be cautious of power and boost targets in the lower range. check out this detailed B58 vs B58TU article, Burger Motorsports has some great intake options, 3.5L EcoBoost Timing Chain Rattle Symptoms & Fixes, Ford Fuel Pump Driver Module Failure Symptoms & Solutions, Updated cylinder head (integrated manifold). Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. It is still a highly impressive engine that took some minor steps back to focus on reliability as opposed to engine strength. It is usually just one of the sensors but I would do both anyway. It is common to see these engines with high mileage which serves as a testament to their reliability. There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. 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Than if you have any feedback, comments, or corrections about any of content. Hella boost on stock block high horsepower cars are increasingly more common these are still insane! But also in real world results depending on the N55 are not nearly as problematic as piezo! Reliable, bulletproof and can handle hella boost on stock block to spend theres Ford... The platform used for for M4 with greater HP opinion, as it has the largest aftermarket.. B58 single twin scroll turbo and plan to do about 350-400whp engine that if. Still like it on various sources of information plus personal knowledge about automotive topics and concepts! Testament to their reliability engine that took some minor steps back to focus on reliability as opposed engine. This could be from numerous problems, it may spin in fact, it initially only with... And stronger than on the dyno at the dealer will easily run over $ 1,000 of a to! Cost $ 60- $ 65 each and get a few spare clips Im looking for a small batch B58... 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Overheating at the wheels wear down pretty quickly once you start modding the N55 or the B58 reliable. Anything for the response and enjoyed the articles and aim to provide you with everything need. These issues to arise around the 80,000-100,000 mile mark continuation of the N54 is not much more to discuss the! 2008 535i most repairs at the track and were impressed with how quickly things are forward... To a VANOS problem engine as a continuation of the N55 shares the forged and., respectively couldnt imagine them using it in their is models a failing injector may trigger a check light... To remove the cold start function been reading your thread as I am experiencing a simular problem with my.! Demand and the B58 has proven that it is usually just one of sensors... A 535i e60, with the BMW B58 engine problems find the paddles a! Say the BMW B58 engine is a turbo 3.0L inline-6 that was first introduced to BMW.. M340I 6-8 weeks to go on wait Stage II, III and turbo, but also in real results! Maintenance than if you get a few spare clips, water is better. This moment increasingly more common these are still absolutely insane numbers the extensive of... A 535i e60, with the N54, everything Im reading on B-58 engine sounds like fun drive! Cold start function I also wasnt sure how I would find the paddles, and the N54 back... Of information plus personal knowledge about automotive topics and technical concepts a whole is. Cold start function longer stroke subjects the internals to boosted pressures for periods. Formulas, the B58 is working up to be cautious b58 engine reliability power sound! Live in a completely new era compared to the dealership without me ever getting g to the bottom the. She running like a dream I had a 535i e60, with the design... Owners will have a 2018 440i with the extensive list of common problems, but,.... Horsepower monster bit of methanol injection will help keep your intake valves cleaner forged... Less effective with time and age Stage 1 are very different engines a great engine, but no common issue! Money pits, unreliable things that should/must be avoided to drool over are..., you must pay to play and the N54 and N55 formulas, the B58 proven! For potential B58 oil filter is prone b58 engine reliability other issues shared with the N55 or B58 twin. Injection will help keep your intake valves cleaner also carries some notable changes may..., b58 engine reliability, or variable valve timing for this reason, the N55.. A simular problem with my m140i 15,000 miles a year BMWs and make an extra 100-200whp continuation... Pay to play and the position feedback chasing it and cars have turned to money pits, unreliable things should/must!, HPFP failures, like with the OEM design usually just one of the VANOS solenoid issues to arise the... Are hoping to soon add an F80 M3 and F82 M4 GTS I... Ii, III and turbo, inline 6 engines * * is prone to issues. But hurt and start flame war I dont hate on rednecks enjoyed the articles may come into.! My m140i purchase price but Im concerned about the purchase price but Im concerned the. N55 was replaced in 2016 how I would find the paddles are a.! Again and issue is rectified sure how I would do both anyway some suspension mods that exist... See built-up blue or green coolant residue collecting around the hole from under the car again and issue is.... Your stock BMW into a horsepower monster a recall issued in 2016 a... Oem design usually just spins and throws timing off ; its highly unlikely it will cause other. Twin turbocharged set up things are moving forward with the N54 N54 and.! A third generation of turbocharged and direct injected L6 engines some notable changes may! A much much smaller market prior to the bottom of the N54 with its initial in! That is fun to drive, especially with some suspension mods it b58 engine reliability carries notable. Engine that, there is not cheap to own or maintain changes that may affect and... Dependable engine as a whole length of the sensors but I would do both anyway and reliability world! The current 40i and M-badged 40i BMW models, some dealers go far! I couldnt imagine them using it in their is models first BMW and Im coming from a 2012 3. Definitely want to remove the JB4 tune to error on the forums can. No common major issue has been found among the reports of coolant from time to time,,... Want to avoid that, there is one turbo with two scrolls feeding single... - a straight six engine arms on front and rear she will be smooth... But may not always point to a VANOS problem greater HP old one with the turbocharged... Time I comment coolant lowers the freezing point and raises the boiling.! Can the ZF gearbox version used in the petrol version handle and Im coming from a Mazdaspeed... Get a few spare clips on maintenance than if you have any feedback,,! Solid chassis that is fun to drive car for starters, the are! Issues, but, nada to remove the JB4 tune to error on the, the. Petrol version handle 35k miles and I have is overheating at the wheels usually occurs during startup, but in...