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On 25 September 2013, BMW released the technical specifications of the M4. It is powered by the S55B30 engine, which is developed and engineered by BMW M GmbH.This 3.0-litre inline-6 engine has been built specifically for the new M4/M3, having a redline of 7,600 rpm with the rev limiter actuated at 7,300 rpm.
The litre (Commonwealth spelling) or liter (American spelling) (SI symbols L and l, [1] other symbol used: ℓ) is a metric unit of volume. It is equal to 1 cubic decimetre (dm 3 ), 1000 cubic centimetres (cm 3 ) or 0.001 cubic metres (m 3 ).
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 which include the M12/13 1.5-Liter straight 4 piston turbocharged engine from 1982 to 1987 for Brabham, Arrows and Benetton ...
Similarly, from 1996 to 1999, models using a 4.4 litre version of the M62 engine were named 540i, 740i and 840Ci. From 2001 to 2007, the situation was reversed, because models using a 4.4 litre version of the N62 engine were named 545i, 645i and 745i. Models using a 4.8 litre version of the N62 engine were named 550i, 650i and 750i.
In order to use existing tooling, five 250.6 cu in (4.1 L) Chrysler flathead engines (bore 3.4375 in or 87 mm, stroke 4.5 in or 114 mm) [1] were arranged around a central shaft, producing a unique 30-cylinder 21-litre (1,253 cu in) [1] engine in a relatively compact but heavy package.
BMW M4 (G82) The M4 variants are the most powerful of the 4 Series, yielding a maximum of 503 horsepower in the M4 competition series. It was designed and developed by BMW M, a division of BMW that engineers performance variants of the company's standard vehicles. The M4 is new to the market relative to other M models, being manufactured from ...
The long-wheelbase variant (G28) in China was launched in April 2019 as a single trim, the 325Li, which uses the same 2.0 liter turbocharged engine making 184 hp and 300 N⋅m (221 lb⋅ft) of torque as the global 320i and is mated to a 8-speed automatic transmission as the only drivetrain offered.
Originally available only as a 2835 cc intercooled turbo, detail improvements in 1996 and a larger 3.2 litre option in 1999 served to improve power, torque, fuel economy and emissions. The final version has 3.0 litres swept volume and Common rail direct injection. [1]