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BMW is well known for its history of inline-six (straight-six) engines, a layout it continues to use to this day despite most other manufacturers switching to a V6 layout. . The more common inline-four and V8 layouts are also produced by BMW, and at times the company has produced inline-three, V10 and V12 engines, BMW also engineered non-production customised engines especially for motorsports ...
The M51 is a water-cooled and turbocharged inline six-cylinder diesel engine with a Bosch VP37-swirl-chamber-injection. [1] [2] [3] The displacement is 2.5 L; 152.4 cu in (2,497 cc) and the compression ratio is 22.0:1. Some engine variants have an intercooler in addition to the turbocharger, they can be identified by the tds. [2]
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.
The engine was rugged, reliable, and became noted for longevity. A turbocharged racing engine based on the AMC Straight-6 engine block produced 875 hp (652 kW) and competed in the 1978 Indianapolis 500 race. [26] [27] The final application for the AMC Straight-6 engine was the 2006 Jeep Wrangler (TJ), after which a V6 replaced it. [28]
The BMW N52 is a naturally aspirated straight-6 petrol engine which was produced from 2004 to 2015. The N52 replaced the BMW M54 and debuted on the E90 3 Series and E63 6 Series . The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. [ 1 ]
In an interview with Bimmer Today, BMW M division head Frank van Meel said the future M3 sport sedan will keep using the current car's turbocharged six-cylinder motor.
The B57 belongs to a family of modular engines, including the B37 and B47 diesel engines, and B38, B48, and B58 petrol engines. [2] The engines utilise a common displacement of 500 cc (31 cu in) per cylinder. [3] The B57 replaced the previous N57 diesel engine, and was first introduced in the G11 7 Series.
The BMW S38 is a straight-6 DOHC petrol engine which replaced the M88 and was produced from 1984–1995. [1] [2] The S38 was originally produced for North America as an equivalent to the M88 with slightly lower power output. In 1989, power output of the S38 was increased and it became the worldwide replacement for the M88.