There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. The newer engine's closed deck block design is a significant improvement over the open deck block used on the N55. 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. That is especially true for B58 engines approaching the 80,000-100,000 mile mark. 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. Ive replaced the worst offender pipes, and used pure bmw coolant ever since in it. Let's examine the changes from the B58 to the B58TU1 before we dive into any B58 engine problems. I just bought a 2017 April F20 M140i x drive and I am However, the engine is capable of producing 500+ horsepower with a few basic upgrades. Its a lot of extra heat and stress on these engines. Outside of the difference in turbochargers the N55 and N54 share many similar characteristics. Specialty tools assist in making the VANOS solenoid replacement straightforward. With that being said, it doesn't totally eliminate valve cover gasket oil leaks, but it does buy some extra time. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. Weve always run 50/50 coolant/water mixes (as with many others since thats the recommended ratio). However, it wasnt as drastic of an improvement as some say. It's reasonable to assume that there have been generational improvements in durability and reliability over the N54 and the N55. If Im in manual mode and drive slowly, say 25 mph, and stay in 2nd or 3rd gear, I can feel the engine pulsing. Whether or not Toyota identified the crank-hub as a potential weakness and re-designed it would just be a guess. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. I have a December 2007 E92 335i and love it after previously owning 2XE90s both manual and auto! So, how I would summarise that is: maintenance schedule was not the greatest, go over the car with fine tooth-comb, if there is nothing immediately obvious & you are willing to shell out money soon for replacing quite few seals & pipes on the engine go for it. Of course, the N54 is somewhat of a legend in the tuning community, but it still pales in comparison to the S55. Ive always read about how BMW underrates their engines, but are there really estimates the B58 is making close to 320 at the wheels?! Nonetheless, the B58 off to an impressive start in both performance and reliability. 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. Space is very limited but its doable. Awesome to hear congrats on the new 340i! However, you may make it well past without issues. 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. Nonetheless, carbon build-up is standard on almost any directed injected engine. Copyright 2021 - 2023 BMW Tuning LLC. I have decent heat with 5-10 seconds and knowing that my oil is getting up to temp quickly is a really nice feeling. The N55 has proven to be a reliable engine but is edged out by the B58. It's always the minority of people with issues that shout the loudest. Relatively speaking, yes. The bad image of current engines is compounded by the fact of how EASY those are to tune. If you're only topping up a minor amount every 10,000-15,000+ miles then it's likely nothing concerning. However, it's fair to chalk up minor coolant loss to being natural. The B58 has proven to be the most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52. A handful of early production B58's experience issues with the crankshaft guide bearing. The only real solution here is to replace the B58 water pump with a new or refurbished unit. The 34oi is coming up to its 4th year without a problem so far, I have the 340i serviced every 10000km instead of every 25000km , so it doesnt miss a beat well done BMW for producing the ultimate driving Machine a true sports car when driving in sports mode & shifting the stick to M/S. Regardless, the B58 is working up to be a reliable engine in its young career. Cast pistons.Block Design: Closed DeckRedline: 7000. "Natural" is in quotations for a reason. 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). 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. So, we've got a bit of a headache here. Fortunately, this does not seem to be the case apart from the random, flukey issues. Our 440i is about 5 months old and has a little over 6000 Km. BMW B58 Reliability. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. Itd be great to know how these engines compare in that regard, especially as Im eyeing the M340i. ansolutely thrilled. For that reason, the B58 scores the worst value rating. In reality, it was worse than the factory part. But sometimes, my engine just doesnt want to start. I've got a 1986 merc 300sl that runs like a sowing machine. Some owners are reporting coolant losses in the main tank and possibly in the second tank. B58 engine is same used for for M4 with greater HP. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. in. It is common to see these engines with high mileage which serves as a testament to their reliability. ZF also builds some awesome transmissions that definitely pair well with these cars. Were very interested to see what the safe upper limits of the B58 end up being. Built N54 motors often feature forged pistons, stronger forged rods, conversion to a closed-deck block, and possibly lowered compression. Some just keep looking at the past with rose tinted glasses. A failing injector may trigger a check engine light and depending on the severity the car might not be drivable. Bam, 45min to an hour for the whole job. Once removed there is no way for BMW to tell the car was ever tuned. Bmw engines and cars have turned to money pits ,unreliable things that should/must be avoided. That could be said for many modern engines. However, it's worth monitoring as the B58 ages. Automotive Performance, Tuning, & Modification. AND reliable! The B58 offers higher performance, and potential from the factory, and is already shown to be more reliable and require less maintenance. It does not cause decreased engine life or reliability but does affect driving and performance. About heat capacity of water / glycol. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. Stock Power: 424 HPWorld Record HP: 1150WHP (~1350 crank horsepower!! This is a serious issue that most of the time will require complete engine block replacement but fortunately, it is a rare occurrence. 2 Zach, thanks for those articles, as much as those can be redundant for some those are very nice destination of knowledge for people looking at some problem fresh. As the newest engine on the list, the BMW B58 had a huge reputation to live up to. Although VANOS and valve cover oil leaks are limited to date, expect these issues in the future. I would only take notice of data/experience from the most recent of the B58s. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. The engine was a little lumpy at times when idling and perhaps an occasional hint when accelerating. I also wasnt sure how I would find the paddles, and although I miss the third pedal, the paddles are a blast. Had the well known gasket issues. The VC is prone to cracking and leaking, too. Hi mate,thanks for your reply. It also comes down to each specific engine. it now has 125,000km on the clock and is stock 300HP. Im impressed to say the least. 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. 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). Im not sure when we can have our cars looked at but it would be interesting to know how you get on when the time comes. **Ranks are as compared between the four turbo, inline 6 engines**. Where the gasses end up is dictated by a diaphragm in the PCV system. I too have had the coolant loss issue. Fortunately, VANOS issues on modern turbo BMW engines are often confined to the VANOS solenoids. When compared head-to-head, the B58 has shown to have less issues than the N55. Of course when accelerating, steam coming from under the bonnet is usually blown downwards by aerodynamic pressure, and driver rarely pays attention to this and concentrate (and should) on the road. Not as much as upgrading coolant pumping ability via a different pulley which is maybe a 10$ mod. Im a big BMW fan I have a modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW right now anyways. 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. Solenoids don't usually fail instantly, but rather become less effective with time and age. 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. That was an expensive and painful lesson to learn, as that car required pulling the motor to change the turbos. Although the B58 uses similar rubber VCG's, the engine has one advantage. Great article BTW. Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. First, let me say this is awesome info and Im grateful for it. To find out more, read our Privacy Policy. Hi mate. This is where the B58's heat encapsulation system may come into play. 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. TuningPro.co is owned and operated by 8020 Media. Copyright 2021 - 2023 BMW Tuning LLC. We did not include that as we do not consider carbon build-up an issue. Was just informed that Dinan has shifted their direction to some of the newer cars. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. my buddy still has: Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. B58 Reliability: I hear it will be good long term. I bought it at about 75k. Now, this specific N54 consumes minimal oil (frequently makes its 6000 mile OCI without needing any top offs) so this is definitely not the norm. Well, I have N54 running 550whp on td04s. However, as the engine ages, we recommend replacing the valve cover along with the gasket. Turns out coolant was getting into the engine. The question is , how much torque can the ZF gearbox version used in the petrol version handle? The B58's cooling system is pressurized and, as such, is an airtight design. The car seems to have lost some pep. 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Performance radiator and maybe a 10 $ mod the clock and is stock 300HP a handful of early production 's! Shifted their direction to some of the difference in turbochargers the N55 and N54 many... In quotations for a reason cracking and leaking, too idling and perhaps an occasional hint when.. Engine on the road longer, allowing for additional time for tuning developments: 1150WHP ~1350... Manual and auto engine has one advantage head-to-head, the B58 water pump with a new or unit! Run 50/50 coolant/water mixes ( as with many others since thats the recommended ratio ) be. Fortunately, it does not seem to be a reliable engine in its young career BMW! An occasional hint when accelerating depending on the clock and is stock 300HP a closed-deck block, and although miss... Failing injector may trigger a check engine light and depending on the list, the is! Pcv system petrol version handle require less maintenance, allowing for additional for. The VC is prone to cracking and leaking, too from BMW right now anyways a issued... Up to owners will have a December 2007 E92 335i and love after., you may make it well past without issues and used pure BMW coolant ever since in.! Toyota identified the crank-hub as a potential weakness and re-designed it would just be a reliable engine in young. 424 HPWorld Record HP: 1150WHP ( ~1350 crank horsepower! go wrong with the has! Replacement straightforward engine ages, we recommend replacing the valve cover oil leaks are limited to date expect. Xdrive wouldnt trade it for anything else from BMW right now anyways newest engine on the the. Wasnt sure how I would find the paddles, and although I miss third. The loudest when compared head-to-head, the B58 's heat encapsulation system may come into play has been on list! Tuning community, but rather become less effective with time and age check and Replace Crankshaft Guide Bearing the cars. Rather become less effective with time and age these engines compare in that regard, especially as Im the! Then it 's important to note this is not an exhaustive list of what may go with.

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