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Otherwise, if the filter is still stuck or you damage the housing in the process, you'll be looking at a new B58 oil filter housing. 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. This is my first BMW and Im coming from a 2012 Mazdaspeed 3, which Ive been driving for the last 7 years. How do the BMW N54, N55, B58, and S55 stack up against each other? 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. Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. It also comes down to each specific engine. It is also known as a straight-six naturally aspirated engine. The car I bought is off a 3 year lease and appears to be in pristine condition, so Im hoping this engine is super reliable going forward. Thanks Zach! The following table compares the technical data for both engines. 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. However, the M340i already comes with quite a bit more power than the standard non-M 340i models. perhaps look for a used Audi 4 wheel drive convertible. Yes Im in the UK John. Next stop replace control arms on front and rear, along with shock mounts front and rear she will be running smooth as new. Most impressive is not the power alone, but also the fact all of the stock components can handle this with a basic tune. When compared head-to-head, the B58 has shown to have less issues than the N55. The butt-dyno felt no power gains. That got lemoned (hpfp issues). Notable changes from the N55. Crank and block should be plenty strong to handle 800+whp. Rear mounted VANOS and timing chain. PCV valve issues are common on the N54, N55, and B58, but can be solved with a PCV valve bypass system if you no longer want to rely on the flimsy PCV diaphragms. e46 380k miles B58 Reliability: I hear it will be good long term. With the extensive list of common problems, it is fair to say the BMW N54 is not cheap to own or maintain. Before some people will get but hurt and start flame war I dont hate on rednecks. Additionally, BMW built on a great engine design in the BMW N54 and continued to improve reliability of the succeeding engines. Im impressed to say the least. The TU1 update is mostly intended to improve emissions. The pistons are cast, but remain strong, and the B58 receives Electric Arc Wire Spraying on the cylinder walls. The power meter can be seen from the head unit as I am able to activate it by coding. Maxing the stock turbos with upgraded turbo inlets will result in power numbers in the 450-500whp range, and torque above 500 ft-lbs to the wheels. My buddy diagnosed that way an injector fault when everybody kept telling him he has an issue with dualmass fly wheel. Would a swap to s55 be ruinously expensive and difficult? 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. At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. Now that makes me wonder if it has something to do with the closed deck blocks on the B58. The new B58 engines are a third generation of turbocharged and direct injected L6 engines. My car eventually looses all power each time after being fixed and I have to limp home with a drivetrain error on the dash. The stock internals are capable of handling numbers in the 650-750whp range; at these power levels it becomes extremely important to have an excellent tune, and proper fueling (ideally 100% E85). A high-mileage B58 might show signs of carbon build-up but this is well controlled. The rough idle is a symptom of the VANOS solenoid. I really want one with the N55 or B58 single twin scroll turbo and plan to do about 350-400whp. Hi mate. . BMW replaced it under warranty as one would expect. Scotland to be precise. Other than that car runs like a beast, throttle response and driving is smooth love the pops from the m kit exhaust at 5k rpm they literally sound like gunshots, nothing to worry about, the wastegate is open during cold start, and you have a more free flowing system because of MPPSK exhaust which has no resonator in the midpipe and bypasses the muffler with valves open (valves open during cold start and in sport modes), thats why the car vibrates. The VANOS system uses oil pressure to control the intake and exhaust valve using an actuator on the camshaft. As far as we are aware the B58 is not having any significant issues with the crank hub. . It's worth a shot. As an increasing number of N54 owners began pushing power into the 700+ territory the upper limits of the unopened engine became clearer. It is built to be efficient and reliable while also being powerful enough to get you through most driving situations. Take this in for a moment - assuming a 12% drivetrain loss those numbers represent 602hp and 636 torque. Its that sad with bmw. Same with the N54 and E9x chassis. In the years to come, the B58 will be an excellent performance value, but it is too far from it right now. Much better when you consider you get the full package in the M3, and the M3 will hold its value 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). 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. One thing BMW knew for sure, though, is the N55 needed to provide better reliability. That's our simple answer for now. When the 3's current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. . I love it so far, wish for a manual sometimes but the auto is great most of the time. B58 reliability concerns No engine is perfect, and some samples of the B58 suffer from minor issues. BMW Reliability Most Reliable BMW Engines. Its a lot of extra heat and stress on these engines. There's a difference between durability and reliability. The upgrades to the B58 include a closed deck block, forged steel crankshaft, air-to-water-intercooler, and an upgraded fuel pump. Ever since the twin turbo N54 hit the markets in the 2007 BMW 335i, BMW has been building on the design of the turbocharged, direct injected inline 6 engine. Stock Power: 424 HPWorld Record HP: 1150WHP (~1350 crank horsepower!! B58 is reliable, bulletproof and can handle hella boost on stock block. The engine room is simply too full with views inaccessible. Despite the improvements, the N55 is still prone to other issues shared with the N54. Note that this doesnt mean that your N55 BMW will eventually suffer from all these issues, but they can potentially become a problem the higher the cars mileage. Have a good holiday weekend if youre in the US. As B58 water pumps reach high mileages, they tend to release coolant from the weep hole on the bottom of the water pump assembly. 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. As such, the B58 valve cover and gasket do follow in the footsteps of the N54 and N55 and are known for having issues. So please stop sawing the disinformation about bad bmw reliability, that typically is hallmark of Fix Or Repair Daily shitboxes. Which engine is more reliable, the N55 or the B58? It's reasonable to assume that there have been generational improvements in durability and reliability over the N54 and the N55. Is B58 Engine Reliable? BMW MHD Tuning App N54, N55, S55, B58 & N13 Flash Tunes, Your email address will not be published. Guessing you are all semi-auto owners.. doubt this problem exists on the manual sounds like transmission / ECU problem to me.. #. Independent repair shops often have much better pricing, but repairs will still be expensive if and when theyre needed. B58s threads and videos are popping up everywhere of blown pistons on the B58 at 650+/- Hp My point is if the B58 is limited to same horsepower as a N55 then I benefit from a better handling car , Honorable mention for Built N55s from the M2s. Now, we left out some potentially promising information. However, as the engine ages, we recommend replacing the valve cover along with the gasket. Yet when local boiling occurrs we were ended up with crap emissions due to increased combustion chamber temp ( and ECU will sometimes will try to mitigate that via increased pilot spray to cool down the chamber funny those modern day ecus ). This is where the B58's heat encapsulation system may come into play. Ok, definitely my thought process as well. As shown, the N55 shares the same stock power, displacement, compression, bore/stroke, and block design as the N54. Weve inspected few more pipes and fact that it was running pure water just corroded plastic & rubber hoses inside (those turned bright yellow from black) after cutting pipe with knife the discolouration was 1-2 mm deep. For a better experience, please enable JavaScript in your browser before proceeding. 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. I found remove driver side first. The question is , how much torque can the ZF gearbox version used in the petrol version handle? However, it's fair to chalk up minor coolant loss to being natural. Some owners are reporting coolant losses in the main tank and possibly in the second tank. Hello, I own F20 120i 2018 with B48 engine (184hp). Coolant loss The B58 uses two coolant tanks in its system. Too many suspension/brake/interior changes to dump the car so wondering if a swap could cure some issues and open the door to more power without stretching the motor as much. 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. Long story short, Im looking to do an engine swap into a 76 Triumph Tr7 and was contemplating the N55 or S55. 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. Specialty tools assist in making the VANOS solenoid replacement straightforward. In a world where high horsepower cars are increasingly more common these are still absolutely insane numbers. 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 valve cover and oil filter housing leaks are common on a lot of BMWs I would not be surprised to see these issues popping up as the engine continues to age. 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. Wich is a totally different animal Good for 1400 hp or even 2000 hp ,on the dyno at the wheels! As this was BMWs first attempt at a gasoline direct injected, turbocharged, inline-6 engine there were some early issues that needed to be ironed out. 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. Ever since BMW released the VANOS system in 1992 this has been a common problem and maintenance item. Injector failures and leaks can cause rough idle and performance issues. The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. The VC is prone to cracking and leaking, too. If you are interested in learning more about the BMW B58 engine as a whole, check out our BMW B58 FAQ guide. Now I still experience a bit of coolant loss, but much, much less. 2015 335i 4 series coupe has been a great auto. Im sorry to drop the news on you, but your car is not a true twin turbo design. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. After the success of I6 naturally aspirated engines: M54 and N52, BMW switched to turbo engines. 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. I have had all 3, I had a 535i e60, with the n54. Everyone and their brother has done the LS swap and its become boring. With that being said, I would not buy a BMW B58 at this moment. The N55 has proven to be a reliable engine but is edged out by the B58. However, notably the redline sees an increase from 7000 in its predecessors to 7500 on the M division S55. The N55 and the B58 share a similar design but are very different engines. Did BMW live up to that reputation? You may be able to use pliers (or anything to grab the stuck filter) and pull it out. 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. Space is very limited but its doable. The above are common symptoms of B58 VANOS solenoid issues, but may not always point to a VANOS problem. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. A handful of early production B58's experience issues with the crankshaft guide bearing. Im looking for my first sports car and BMWs seem very nice. So much so that I'd prefer it over the N55. This isn't absolutely necessary but will help get any possible filter debris out of the oil. Just remove all the plastic covers and you can get your hand back there. Awesome car and congrats on the new tune. The newer engine's closed deck block design is a significant improvement over the open deck block used on the N55. We are hoping to soon add an F80 M3 and F82 M4 GTS. Due to its age, the N54 is generally cheaper to purchase and offers the best value when comparing the cost to purchase, and the ability to tune the engine. Stock power comes in significantly underrated at 424hp, while independent testing shows similar numbers to the wheels. e92 168k miles (tune about 30% up) Thanks! The most common problems are water pump failure, cracked charge pipe, valve cover gasket leak, and oil filter gasket leak. The information I cant find are physical dimensions of either engine (especially height). Proceed with the oil change as normal. It is more of a testament to just how good the two remaining engines are. Anyway, if you dont have physical leaks on loop & are heavy right footed & have more than 75 bhp / litre of displacement = run pure, dont mix with water. Enjoy the car and Merry Christmas to you as well! Repair shop for all work $1000 to $2,000 a year, Informative article, however Im surprised that carbon buildup on the intake valves wasnt mentioned, at least in the context of the N54. It is a turbocharged straight-six engine. I suspect the oil filter housing and valve cover issues may rise as the engine ages. Although VANOS and valve cover oil leaks are limited to date, expect these issues in the future. There are some guides on youtube and the bimmer forums with part numbers. A tune and bolt-ons will take the B58 into the 400whp+ range; outstanding for a 3.0 L engine, but nothing insane compared to BMW's other inline-6 turbo engines. Oh, BTW, Ive had seasoned bmw technician at bmw dealer, not indy, stating to me point blank that they just top up with tap water and use concentrate when replacing whole coolant and still mix with tap watter, so he doesnt know what Im on about So, some people might just be unlucky with some genius giving it a squirt from garden hose before giving it to first owner because it looked low, and now they have lime scale build up on engine walls or radiator. Improvement of Valvetronic - VVT4 with reduced height. Copyright 2021 - 2023 BMW Tuning LLC. We appreciate the positive feedback. 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. 120I 2018 with B48 engine ( especially height ) the stuck filter and. But remain strong, and the M3 will hold its value better still be expensive if and when needed... ; s our simple answer for now cars are increasingly more common these are absolutely! 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