Extract from Wikipedia..
List of BMW engine from 4 cylinders to 12 cyliners.
Straight-4
* 1961–1987 — 1.6–2.0 L M10/M12
* 1986–1991 — 2.0–2.5 L S14 for M3 (DOHC)
* 1987–1995 — 1.6/1.8 L M40 (SOHC)
* 1989–1996 — 1.8 L M42 (DOHC)
* 1991–2002 — 1.6/1.8/1.9 L M43 (SOHC)
* 1994–2000 — 1.7 L M41 Diesel
* 1996–2001 — 1.9 L M44 (DOHC)
* 1997–2005 — 2.0 L M47 Diesel
* 2001–2006 — 1.6 L Tritec (JV with Chrysler)
* 2001–2003 — 1.8/2.0 L N42 (Won International Engine of the Year award)
* 2004– — 1.8/2.0 L N46
* 2004– — 1.6 L N45
* 2006– — 1.6 L Prince (JV with PSA), 90 kW (122 PS), 160 Nm (118 lb-ft)
* 2007– — 2 L new petrol and diesel engines, bore×stroke 90×84mm, 1,995 cc, 4 valves per cylinder, source: BMW Group (March 23, 2007). BMW EfficientDynamics in Detail. Press release.
o Petrol, 200 bar direct fuel injection with piezo-injectors, continuously adjustable intake and outlet camshaft, 135kg
+ 105 kW (143 PS), 190 Nm (140 lb-ft) in the BMW 118i
+ 125 kW (170 PS) at 6,700 rpm, 7000 rpm max, 210 Nm (155 lb-ft) at 2,250 rpm, 12:1 compression ratio, in the BMW 320i Convertible and BMW 120i
o Diesel, common rail direct injection, variable turbine geometry turbocharger, 198 g/kWh minimum specific fuel consumption, 16:1 compression ratio, aluminium crankcase:
+ 105 kW (143 PS) at 4000 rpm, 300 Nm (221 lb-ft) between 1,750 and 3,000 rpm, 5000 rpm max, 1600 bar fuel injection, 1,5 bar relative boost, 19 bar MEP, combustion chamber 170 bar max in the BMW 118d
+ 130 kW (177 PS) at 4000 rpm, 350 Nm (258 lb-ft) between 1,750 and 3,000 rpm, 5000 rpm max, 1800 bar fuel injection, 1,5 bar relative boost, 22 bar MEP, combustion chamber 180 bar max in the BMW 120d
+ 150 kW (204 PS) at 4400 rpm, 400 Nm (295 lb-ft) at 2000 rpm, 5200 rpm max, 2000 bar fuel injection, 2 bar relative boost, 25.3 bar MEP, combustion chamber 180 bar max, two sequential turbochargers, 161 kg, 204 g/kWh minimum specific fuel consumption
Straight-6
BMW is best-known for its strong straight-6 engines. These have powered many of the company's best-loved cars, including the BMW M3.
* 1933 - 1.2 L M78
* 1937 - 2.0 L M328
* 1937 - 3.5 L M335
* 1952 - 2.0-2.1 L M337
* 1968 - 2.5-2.6 L M06 (On the Ward's 10 Best Engines of the 20th Century list)
* 1971 - 2.0-2.7 L M20
* 1976 - 2.5-3.5 L M30
* 1977 - 2.0 L M60 (original designation for what is now commonly known as the M20 6 cylinder engine; M60 is currently used to describe 1st generation 3.0 and 4.0 liter V8's.)
* 1978 - 3.5 L M88/S38 for M1/M5/M6
* 1980 - 3.2 L M102 for 7-Series
* 1983 - 3.4 L M106 for 7-Series
* 1983 - 2.4 L M21 Diesel
* 1989 - 2.0-3.0 L M50
* 1989 - 3.0 L S50 for M3
* 1991 - 2.5 L M51 Diesel
* 1994 - 2.5-2.8 L M52 (Two International Engine of the Year awards)
* 1994 - 3.0 L S52 for M3
* 1998 - 2.5-3.0 L M57 Diesel
* 2000 - 2.2-3.0 L M54
* 2002 - 3.2 L S54 (Six International Engine of the Year awards)
* 2005 - 2.5-3.0 L N52
* 2006 - 3.0 L N54 turbocharged
* 2007 - 2.5-3.0 L N53 (BMW's direct fuel injection engine that will slowly replace the N52-family)
V8
* 1951 - 2.6-3.2 L OHV V-8
* 1992 - 3.0-4.0 L M60
* 1996 - 3.5-4.4 L M62
* 1998 - 4.9-5.0 L S62
* 1998 - 3.9 L M67 Diesel (Two International Engine of the Year awards)
* 2001 - 3.6-4.8 L N62 (Three International Engine of the Year awards)
V10
* 2005 - 5.0 L S85 for E60 M5 and E63 M6 (Four International Engine of the Year awards)
V12
* 1986 - 5.0-5.4 L M70
* 1992 - 5.6 L S70
* 1993 - 5.4 L M73 (Won an International Engine of the Year award)
* 2003 - 6.0 L N73