The BMW B58 is a turbocharged straight-six engine, which began production in 2015. [1] The B58 replaced the N55 and was launched in the F30 340i. [2] The B58 is part of BMW's modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.
[3] The B58 engine was named to Ward's World's 10 Best Engines five times, in 2016 (installed. BMW X5 40i, X6 40i and X7 40i Ranging from the 5 seater X5 to the luxurious 7 seat X7, this trio of upscale BMW SUVs all rely on the B58 engine for motivation. Delivering 335 horsepower and 331 lb-ft of torque, these substantial yet surprisingly rapid family haulers each hit 60 mph in under 5.5 seconds.
The B58 engine is featured in various BMW models, including the M340i and 340i from the 3 Series, certain variants of the 5 Series and 7 Series, X Series SUVs like the X3 M40i, X5, X6, and X7, as well as the Z4 Roadster and some 8 Series models. The BMW X6 40i, equipped with the B58 engine, fused coupe-like aesthetics with SUV practicality. The B58 engine's 335 horsepower ensured brisk performance while its efficiency contributed to respectable fuel economy figures.
BMW's B58B30O1 version of the B58 offers 382 hp and 369 lb-ft, driving the rear wheels initially through an eight. Instead of six exhaust ports on the outside there are just two. The cylinder head is obviously a different casting, however, most of the valvetrain, VANOS, and Valvetronic is the same across all B46 and B58 variants.
BMW only used this engine on 2020+ 540i, 740i, 840i, X5, X6, and X7 "40i" models as well as the 2019. Some of them are: BMW X4 BMW 5 Series BMW X6 BMW 8 Series Schedule a Test Drive Online The B58 engine offers spirited touring capability for driving to and from Cape Coral. BMW vehicles with the B58 powertrain, such as the BMW X5, the BMW 3 Series, and the BMW X7, provides an optimal balance of power, responsiveness, and everyday drivability.
BMW's B58 turbocharged inline-six powers 41 models across BMW, Toyota, Morgan, and Ineos. A 2025 update adds more power, torque, and efficiency. Engine Options As you can see, the entry-level 2021 BMW X6 sDrive40i/xDrive40i is powered by the B58 inline.
BMW changed the name of coupes to the 4 series when it introduced the F chassis in 2013. As you can see, if we compare every 335i and 340i model that is offered, there is a lot to unpack. The older 335i vehicles have both the N54 and N55 engine, while the more recent 340i variants come with the B58 or an upgraded B58TU.