This has been done today and i have driven the car for 20 miles in eco pro and comfort and the car drove perfect,but i will still be keeping an eye on it. Thanks Zach! Developed & Maintained by The VANOS system uses oil pressure to control the intake and exhaust valve using an actuator on the camshaft. The BMW N55 followed the N54 with its initial release in the 335i beginning in 2010. e91 189k miles Minor leaks may not produce enough smoke to notice. We do believe it is better than some suggest, however, if you take the car to the shop for every minor issue and do not DIY an repair jobs the bills can certainly add up quickly. One of the most common leak locations is the water pump. There is one turbo with two scrolls feeding the single turbocharger. That's our simple answer for now. Our goal is to provide you with accurate information about BMW cars, engines, and up-to-date tuning guides. 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. Stock Power: ~330hpWorld Record HP: 655WHPDisplacement: 2998cc (2.998L)Turbocharger: Single Twin Power TurboCompression: 11.0 to 1Bore x Stroke: 82.0mm x 94.6mm (3.23in x 3.72in)Internals: Forged crank and rods. It is more of a testament to just how good the two remaining engines are. BMW B58 vs. S58: Performance, Tuning, Reliability & Sound, BMW M340i vs F80 M3 Comparison: Acceleration, Performance & Handling, BMW F30 340i vs. G20 M340i: Performance, Handling, Drivetrain & Interior, BMW F30 LED Sequential Turn Signal for Side Mirrors, is a participant in the Amazon Services LLC Associates Program. )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. Thats really hard to put a number on since it can vary so much. 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. Im not sure how many as I was never given any job sheets. Rear mounted VANOS and timing chain. Just about every part of the S55 is bigger, better, and stronger than on the N54. There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. Disintegrated oil filters pop up frequently, but are not serious in most cases. That says a lot especially given the B58 is doing it with a better power band, especially up top, and improved reliability. Woodcliff Lake, NJ - Jan. 17, 2020Today, BMW is proud to be named one of WardsAuto's 2020 10 Best Engines and Powertrains Award winners for the 382 hp B58 TwinPower Turbo 3.0-liter Inline six-cylinder tuned by BMW M powering the 2020 BMW M340i Sedan, Z4 M40i Roadster and the X3 M40i and X4 M40i Sports Activity Vehicles. Im new to all of this. Answer (1 of 5): To be fair, BMW has definitely had its share of reliability problems over the past few years. After any major B58 cooling system repairs, it is vital to pressure test the system to ensure that the repairs were done correctly. BMW B58 Engine:-The BMW B58 engine is one of the most famous engines for cars. 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. Whats your thoughts on this? Washed my hands with it and looking forward to my next car (not BMW). There are countless videos of B58 BMW owners with this exact symptom resulting from a damaged PCV. I traded that in for the current 540i with the b58, and tuned its a beast. Currently stock on stage 1. Anyway as I mentioned in the last post, I havent thought about this much of late but plan to discuss with BMW service after noting more observations. In reality, it was worse than the factory part. Congrats on the purchase! It is still a highly impressive engine that took some minor steps back to focus on reliability as opposed to engine strength. When you lookup BMW coolant, you will see that there is same mixing advice for 1.6 non charged 80bhp mini cooper for Canada region and M3 for UAE region. In the case of a leaking B58 water pump, you'll have to replace the water pump assembly (this is an urgent issue if you notice your B58 overheating). Was stock. 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. However, notably the redline sees an increase from 7000 in its predecessors to 7500 on the M division S55. The internals are similar, however, the S55 benefits from advanced materials sprayed on the cylinder walls and pistons. The TU1 update is mostly intended to improve emissions. Usually, owners dont report major issue. With that being said, I would not buy a BMW B58 at this moment. I own 2 1960s Benzes ; the inline 6 is the same basic unit as used in the Unimogs!Tough as nails and likes to rev. How do the BMW N54, N55, B58, and S55 stack up against each other? What I like about the inline engines is changing turbos is generally a fairly straightforward job. Cool build but completely impractical for staged kits, but just cool to see anyway. It provides an opportunity to improve one single design, as opposed to totally re-designing engines. Thanks for the great read. The BMW B58 engine is a remarkable one. ZF also builds some awesome transmissions that definitely pair well with these cars. Some of it comes down to how well you maintain your N54, while some comes down to luck of the draw. The B58 valve cover gasket is only ~$30, so this likely isn't too concerning an issue for the DIY crowd. The B58 timing chain was moved to the rear of the engine. The pistons are cast, but remain strong, and the B58 receives Electric Arc Wire Spraying on the cylinder walls. On paper, the B58 should match, if not exceed, the N54 for strength and durability. It is a turbocharged straight-six engine. Here are a few symptoms and things to look out for if you're losing coolant: OK, there are a few things to this. 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. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. hopefully BMW will sort this out. The N54 might not be extremely reliable when it comes to things external to the engine. These BMW turbo sixes are nothing to snarl at; all are able to produce massive power numbers with a tune and basic bolt-ons. Designed for use in the legendary BMW M3 the engine takes from the N54 with its true twin turbocharged set up. Haha were always down to go harder and push things to the limit. Some owners are reporting coolant losses in the main tank and possibly in the second tank. Bit of methanol injection will help keep your intake valves cleaner. The N55 has proven to be a reliable engine but is edged out by the B58. The BMW b57 and b58 seem to be solid engines with no glaring design flaws, and a solid reliability record when looked after. 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. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. The N55 and B58 are similarly designed 3.0 inline-6 single turbo engines. Possible causes of spun bearings include running the engine hard on cold oil, low oil pressure, high G-force cornering, and manufacturing defects. Yeah - a straight six is a beautiful thing. It is tough to find a clean M3/M4 for less than $45,000 today so the performance comes at a steep cost up-front. The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the . If so, thats impressive. My question is what are the running costs for them (a ballpark mainly). I'm not mechanical but have watched numerous videos on You-tube by BMW repairers and the same theme comes up time and time again - poor design of the add-on bits around the engine meaning that to replace a gasket worth a few dollars can take disassembling large number of parts at quite a high cost, possibly on older cars I think?. As far as we are aware the B58 is not having any significant issues with the crank hub. Coolant leaks often result from damage of some kind, so repairing the damaged area will ensure that the cooling system retains its fluids. Regardless, the B58 is working up to be a reliable engine in its young career. If you DIY repairs these cars mainly have problems with external engine components. You can indeed tune an M340i without voiding warranty. Your comments are welcomed. That being said, there are a lot of bad engines out there! It does not have signs of issues with any of its internal components. Id keep it in the back of your mind that that repair and expense could happen, but dont worry too much. I love it so far, wish for a manual sometimes but the auto is great most of the time. Hopefully, it's not as bad as the below image. However, it can be hard to catch with this symptom alone, as the B58 also has other oil consumption issues. Guess where the VANOS components reside? Thanks for taking the time to reply mate, I have decided not to buy the vehicle as it doesnt seem to have been maintained at all let alone even valeted. The cost $60-$65 each and get a few spare clips. Expect B58 solenoid issues to arise around the 80,000-100,000 mile mark. F11 151k miles (now only tuned by 30%, in the past was tuned onev 40%) Additionally, BMW built on a great engine design in the BMW N54 and continued to improve reliability of the succeeding engines. 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 It has honestly amazingly smooth power delivery and sounds better. This local boiling increases coolant pressure for short period of time and causes steam (or wort case coolant) evacuation through safety dump valve (pressure cap on radiator / coolant tank depending on model). Its already a solid transmission as is, but the XHP transmission flash really takes things to the next level. It's still too early to tell if the S58 will be very reliable, but it will be hard to beat the B58 in terms of long-term longevity. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Haha your last comment seems to be spot on! I dont want to be that guy. Has it happened to someone else? Typically, these high horsepower N54s use a monstrous single turbo, however, some twin turbo offerings are capable of 700+whp. Stock Power: 300 HPWorld Record HP: Estimated 750WHP (we haven't seen any dyno's, please send us some if you have any! document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. Great point regarding walnut blasting. Thank you. I do love a straight 6. Steph Papadakis and his boys are making 1000HP @ ~42psi on a 2020 Supra B58. Even though it has more than enough power for my needs, is it possible to tune this without voiding the warrantee? Hello, I own F20 120i 2018 with B48 engine (184hp). Enjoy the car and Merry Christmas to you as well! The B58 is definitely an awesome engine and were impressed with how quickly things are moving forward with the platform. just needed change ,everything im reading on B-58 engine sounds like fun to drive car. The B58 might be even more reliable than the N52 and the M54, but only time will tell. Replace the accessory belt every 80,000 miles. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. Its that sad with bmw. I hope to get a 2015 M3 in a few years time as i would love to drive the S55! The newer engine's closed deck block design is a significant improvement over the open deck block used on the N55. It's always the minority of people with issues that shout the loudest. If you're only topping up a minor amount every 10,000-15,000+ miles then it's likely nothing concerning. There's a difference between durability and reliability. Thanks! Had the well known gasket issues. BMW B58 Reliability. Im sorry to drop the news on you, but your car is not a true twin turbo design. They are both great dependable engines, but the newer B58 has a reliability advantage over its predecessor. Solenoids are relatively inexpensive and easy to replace. Automotive Performance, Tuning, & Modification. it now has 125,000km on the clock and is stock 300HP. Still a sound improvement for the B58. Deposits can cause misfires and power loss. 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. However, a couple quick notes that are imperative to keep in mind: Sorry for the poor techincal expression but being in the midst of the COVID-19 pandemic has left us housebound and its not foremost on my mind right now. Ill get to enjoy it a few more days before I say goodbye. Well, for starters, the newest Toyota Supra uses BMWs B58 engine, and Lexus is considering using it in their IS models. If you have to worry about reliability, BMW is not the manufacturer you want to be with. 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