Straight-six engine
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A straight-six engine is a piston engine with six cylinders arranged in a straight line along the crankshaft. A straight-six engine has perfect primary and secondary engine balance, resulting in fewer
Engine block of a BMW M20 straight-six engine (top view with cylinder head removed)
3890-litre MAN B&W 6S60MC marine diesel engine
Crankshaft with four main bearings
1978–1981 BMW M88 engine
BMW B58
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The BMW B58 is a turbocharged straight-six engine, which began production in 2015. The B58 replaced the N55 and was launched in the F30 340i.
Straight-six engine
…low-volume variants of the M30 engine in the 1980s) was in 2006 BMW N54 and the production of naturally aspirated engines ceased in 2015. As of 2022, the BMW B58 turbocharged straight-six engine remains in production, along with its higher performance BMW S58 variants. Rolls-Royce's first straight-six engine was…
B58B30O1 in a G22 M440i
S58 Engine
B58B30C in a 2024 Ineos Grenadier
B58B30M0 in a F30 340i