BMW Engine FAQ
Horsepower quotes may not always reflect US
Rating
If there are two HP numbers, lower HP number generally
denotes US rating
M10 - Straight 4 cylinder SOHC 8V. 1966-1987. 83kg
180lbs
Used in 1502, 1600-2, E21 316/318i/320-4, E30 316, 2002,
2002ti, 2002tii and 2002 turbo
1.5 (75bhp), 1.6 (85bhp), 1.8
(90-98bhp), 2.0 (100bhp), 2.0ti (120bhp), 2.0i (125bhp), 2.0tii
(130bhp), 2.0turbo (170bhp)
M20 - Straight 6 cylinder SOHC 12V. Baby Six.
1977-1992. 117kg 258lbs
Used in E21 320, E21 320i/6, E28, E30,
E34, E21/30 323i, E30 325e and E28 528e
2.0i (129bhp), 2.3i
(143bhp), 2.5i (170bhp), 2.7e (125bhp)
Early model
Later model
M30 - Straight 6 cylinder SOHC
12V. Big Six. 1973-1993. 143kg 315lbs
Used in E12 525/528, E28
525i, E23 725i, 2800CS, E28 528i, E23 728i, 3.0CS/i/L, 3.0Si, E12
530i, E23 730i, 3.3Li, 633, 732i, 733i, 535i, 635i, 735i, E12
M535
2.5i (150bhp), 2.8i (184bhp), 3.0 (185-208bhp), 3.3
(200-206bhp), 3.5 (218bhp)
M102 - Straight 6 cylinder SOHC 12V Turbo. Big Six
Turbo. 1984-1986. 145kg 320lbs.
Used only in the E23 745i
3.2L
or 3.4L Turbo (252bhp)
M40 - Straight 4 cylinder SOHC 8V. Replaced the M10.
1987-1993. 81kg 178lbs
Used in post 87 E30 316i/318i, E34 518i,
Pre 93 E36 316i
1.6 (102bhp), 1.8 (122bhp)
M42 - Straight 4 cylinder DOHC 16V. 1989-1996. 100kg
220lbs
Used in E30 and E36 318is, Z3
1.8 (138-142bhp)
M43 - Straight 4 SOHC 8V. 1993-1998. 83kg 183lbs
Used in
post-93 E36 316i/318i, E34/39 518i.
1.6 (102bhp), 1.8 (115bhp)
M43TU - Straight 4 SOHC 8V. 1998 on. 83kg 183lbs
Used in E46
318i
1.9 (118bhp)
M44 - Straight 4 DOHC 16V. 1996 on. 102kg
225lbs
Used in E36 318iS, Z3
1.9 (142-150bhp)
M50/M50TU - Straight 6 DOHC 24V/Straight 6 DOHC 24V
with Single VANOS. 1989-1998. 136kg 299lbs
Used in E36 320i/325i,
E34/39 520i/525i, Variation of this was used in the Early US E36
M3
2.0 (150bhp), 2.5 (192bhp), 3.0 (240bhp) Sometimes referred to
as S50US. Engine shares more common parts with M50 than Euro S50,
but is a motorsport engine.
M52/M52TU - Straight 6 DOHC 24V with Single
VANOS/Straight 6 DOHC 24V with Double VANOS. 1996-2000. Iron Block
in US models, Alloy Block in Europe, US Z3s and all E46s. 118kg
260lbs (alloy) 140kg 308lbs
Used in E39 520i/523i/528i, E36
323i/328i, E46 323i/328i, E38 728i, Variation of this was used in
late US E36 M3.
2.0 (150bhp), 2.5 (170bhp), 2.8 (193bhp), 3.2
(240bhp) Sometimes referred to as S52US. Engine shares more common
parts with M52 than Euro S52, but is a motorsport engine.
M54 - Straight 6 DOHC 24V with Dual VANOS. 2000-present. 126kg
277lbs
Used in late model Z3, all E39 and E46 (2000+) six
cylinder models
2.0 (150bhp), 2.2 (170bhp), 2.5 (184-192bhp), 2.8
(193bhp), 3.0 (231bhp)
M56 - Straight 6 DOHC 24V Dual VANOS with ULEV. 2002-present.
127kg 280lbs
Used in some E39 and E46 six cylinder models
2.5
(184bhp)
M60 - V8 DOHC 32V. 1992-1996. 146kg 321lbs
Engine
blocks were made of Nikasil (Silicone Injected Nickel) which were
prone to failure over time. Many have been replaced with the newer
Alusil (Silicone injected Aluminum) engines/
Used in E34 530i,
E32 730i, 740i, 840i
3.0 (218bhp), 4.0 (286bhp)
M62/M62TU - V8 DOHC 32V/V8 DOHC 32V Single VANOS.
1996-present. Alusil Engine block. Pre 98 engines were non-VANOS.
140kg 308lbs
Used in E38 730i/740i, E39 540i, X5 and 840i
3.5
(235bhp), 4.4L (286bhp), 4.6 (340bhp)
M70 - V12 SOHC 24V. 1988-1994. 155kg 341lbs
Used in
E32 750il, 850i
5.0 (300bhp)
M73 - V12 SOHC 24V Single VANOS. 1995-2001. Pre 98 engines were
non-VANOS. 150kg 330lbs
5.4L (326bhp)
S14 - Straight 4 DOHC 16V Solid Lifter Valvetrain and
Individual Throttle Bodies. 1987-1991. 106kg 234lbs
Used in the
E30 M3 and Italian only E30 320is. 2.5L used in Sport Evo
III
2.0L (195bhp) 2.3L (192-215bhp), 2.5L (238bhp)
Original S38 (Also known as M88 and M88/3)- Straight 6
DOHC 24V Solid Lifter Valvetrain and Individual Throttle Bodies.
1979-1980, 1986-1990. 146kg 321lbs
Used in M1, E28 M5, M6, SA E23
745i
3.5L (277-286bhp)
Updated S38 - Straight 6 DOHC 24V Solid Lifter
Valvetrain and Individual Throttle Bodies. 1988-1996. 151kg
332lbs
Used in E34 M5
3.6 (315bhp), 3.8 (340bhp)
S50 - Straight 6 DOHC 24V Solid Lifter Valvetrain with
Single VANOS and Individual Throttle Bodies. (Dual Vanos on 3.2Ls)
1992-2000. 152kg 333lbs
Used in non-US E36 M3 (3.0L) and E36 M3
Evo (3.2L) and non-US Z3 M-coupe/roadster (all 3.2L)
3.0
(286bhp), 3.2L (321bhp)
S54 - Straight 6 DOHC 24V Solid Lifter Valvetrain with
Dual VANOS and Individual Throttle Bodies. 2001-present. 148kg
326lbs
Used in the E46 M3 and the last of the Z3 M-Coupe and
M-Roadster.
3.2 (315-343bhp)
S62 - V8 DOHC 32V Solid Lifter Valvetrain with Dual
VANOS and Individual Throttle Bodies. 1999-present. 158kg
348lbs
Used in E39 M5 and Z8
4.9L (400bhp)
S70 - V12 SOHC 24V. 1995-1997. 165kg 363lbs
Used in
850CSi
5.6L (380bhp)
S70/2 - V12 DOHC 48V Solid Lifter Valvetrain with
Single VANOS and Individual Throttle Bodies
Used in McLaren F1
(Was originally developed for M8)
6.1 (627bhp)
M21 - straight 6 SOHC 12V Diesel. 1983-1991 126kg 278lbs
Used
in 324td, 524d/td
2.4 (112bhp), 2.4 Turbo (115bhp)
M41 - Straight 4 SOHC 8V Diesel. 1995-on. 108kg 238lbs
Used in
E36 318tdS
1.7 Turbo (90bhp)
M51 - Straight 6 SOHC 12V Diesel. 1995-on. 132kg 291lbs
Used
in E36 325td/S, E34 and E39
2.5 Turbo (115bhp), 2.5 Intercooled
Turbo (143bhp)
M47 - Straight 4 DOHC 16V Diesel. 1998-on. 117kg 258lbs
Used
in E46 320d
2.0 Turbo (136bhp)
M55 - Straight 6 DOHC 24V Diesel. 2000-on. 132kg 291lbs
Used
in E46 and E39s.
2.5 Turbo (170bhp), 3.0 Turbo (183bhp)
M67 - V8 DOHC 32V Diesel. 1999-on. 192kg 423lbs
Used in E38
740d
4.0 Turbo (245bhp)
N44TU - Straight 4 DOHC 16V Dual VANOS with Valvetronic
Used
in E46 318i
1.6 (115bhp), 1.8 (143bhp)
N62 - V8 DOHC 32V Dual VANOS with Valvetronic
Used in E65
745i
4.4 (325bhp)
N73 - V12 DOHC 48V Dual VANOS with Valvetronic
Used in E65
760i
6.0 (438bhp)
W10 - Straight 4 SOHC 16V
Used in Mini One, Mini
Cooper
1.6 (90-115bhp)
W11 - Straight 4 SOHC 16V with Eaton
Supercharger
Used in Mini Cooper S
1.6 Supercharged (163bhp)
BMW/PSA Prince - Straight 4 DOHC 16V Non-Turbo and Turbo
applications
118bhp (Cooper) 170bhp Turbo (Cooper S)