BMW

The BMW M20B20 is a 2.0 L (1,990 cc, 121.4 cu·in) straight-six, natural aspirated four-stroke gasoline engine, manufactured by BMW from 1976 to 1992 . The cylinder bore is 80.0 mm (3.15 in) and the piston stroke is 66.0 mm (2.6 in).

The BMW M54B30 is a 3.0 L (2,979 cc, 181.8 cu·in) straight-six, natural aspirated four-stroke gasoline engine from BMW M54-family, manufactured on Munich Plant (Munich, Germany) from 2000 to 2006. An 84.0 mm (3.31 in) cylinder bore and 89.6 mm (3.53 in)

The BMW M52B25 is a 2.5 L (2,494 cc, 152.2 cu·in) straight-six, natural aspirated four-stroke gasoline engine, manufactured by BMW from 1995 to 2000. The cylinder bore is 84.0 mm (3.31 in) and the piston stroke is 75.0 mm (2.95 in). The

The BMW M52B25TU is a 2.5 L (2,494 cc, 152.2 cu·in) straight-six, natural aspirated four-stroke gasoline engine, manufactured by BMW since 1998 to 2000 on Munich Plant (Munich, Germany). The M52B25TU engine is a technical update of the M52B25 engine. The main