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Engine Desinations
 
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BMW
Code
Size
liters
Cyl Valve
per Cyl
Power
(bhp@rpm)
Torque
(lb/ft@rpm)
Manuf. Timing VANOS Used in Notes & Comments
M10 1.5

1.6

1.8

2.0

2.0
tii

2.0
turbo

4

2

75 @ ?

85 @ 5700

90->98 @ 5250

100 @ 5500

130 @ 5800

170 @ 5800

?

91@ 3000

108 @ 3000

116 @ 3000

131 @ 4500

181 @ 4000

75

66 -> 69?

71 -> 87

68 -> 75

71 -> 75

73 -> 74

Chain No 1502

1600-2

1802, E21/
E30 316

2002, E21,
320

2002 tii

2002
turbo

2002 turbo 

2002ti had 120bhp

Also in E21 316, 318i,
320/4, E30 316

M20

(little
six)

2.0

2.3

2.5

2.7
eta

6 2 129 @ 6000

143 @ 5300

170 @ 5800

125 @ 4250

120 @ 4000

151 @ 4000

167 @ 4000

177 @ 3250

77 -> 89

eta 84->88

Belt No 320i/6

E21/30 323i

325i, E34
525i

325e,528e

Head bolts can be a problem.

Eta is lower rpm fuel saver.

M30

(big
six)

2.5

2.8

3.0
early

3.0
late

3.3

3.5

6 2 150 @ 5500

184 @ 5800

185->208 @ ?

188@ 5800

200 (euro)

182@ 5200

159 @ 4000

177 @ 4000

?

192 @ 4000

?

229 @ 4000

? -> 87

? -> 87

1970s

?-> 93

?

? -> 93

Chain No E28 525i,
E23 725i

E28 528i,
E23 728i

3.0CS/i/L,
530i,630i

6 cyl 530i
& 730i

633, 732i,
733i

535i,635i,
735i

Classic "big six".
M102 3.4 6 2 252 @ 5200 279 @ 2200 84-> 86? Chain No E23 745i M30 with turbo.
M42 4coils 1.8 4 4 140 @ 6000 129 @ 4500 89 -> 96 Chain No E30/36
318is, Z3
Beware of proile gasket
in pre 93 engines.
M44 Single Coil Pack 1.9 4 4 140 @ 6000 133 @ 4300 96 on Chain No E36 318iS,
Z-3
Improved M42
M50/
M50TU
2.0

2.5

6 4 150 @ 5900

192 @ 5900

140 @ 4700

181 @ 4700

89? -> 98

89? -> 95

Chain Single
on TU
320i,520i

325i, 525i

TU model had VANOS.
M52 2.0

2.5

2.8

3.0

3.2

6 4 150 @ 5900

170 @ 5500

193 @ 5300

?

241 @ 6900

140 @ 4200

180 @ 3950

207 @ 3950

?

236 @ 3600

96 on

95 on

95 on

92 - > 95

95->98

Chain Single E39 520i

E36 323i,
E39 523i

E36 328i,
E39 528i

Early US
E36 M3?

Late US
E36 M3

Iron block in US,
Alloy in Europe.
M60 3.0

4.0

V8 4 218 @ 5800

286 @ 5800

229 @ 4500

295 @ 5100

93/4 -> 96 Chain No 530i 730i

540i, 740i,
840i

All alloy.
M62 3.5

4.4

V8 4 235 @ 5700

286 @ 5700

236 @ 4700

310 @ 3900

late 96 on Chain Single
after 98
730i

540i, 740i,
840i

Improved M60
M70 5.0 V12 2 300 @ 5200 332 @ 3900 88 -> 94 Chain No 750il 850i Classic V12
M73 5.4 V12 2 322 @ 5000 361 @ 3900 96/7? on Chain Single
after 98
E38 750iL ? Newest V12
S14 2.3

2.5

4 4 200 @ 6750

215 @ 6750

177 @ 4600

181 @ 4750

87 -> 89

90 -> 91

Chain No E30 M3
euro
Euro. Several
models used.
S38
early
3.5 6 4 277 @ 6500

286 @ 6500

238 @ 5000

245 @ 4500

79 - > 80

86 -> 90

Chain No M1

E28 M5,
M6

24 valve M30
S38
late
3.6

3.8 euro

6 4 315 @ 6900

340 @ 6900

260 @ 4750

289 @ 4500

91 -> 93

93 -> 95 euro

Chain No E34 M5 Also called S38?
S52 3.2 6 4 321 @ 7400 258 @ 3250 96 on Chain Double E36 M3
(Euro)
Late model Euro.
S62 4.9 8 4 394 @ 6600 369 @ 3800 99 on Chain Duel E39 M5 Double VANOS.
S70 5.6 12 2 380 @ 5300 406 @ 4000 94->97? Chain No? E31 850
CSi
//M Tweaked M70
M21
Diesel
2.4

2.4
Turbo

6 2 86 @ 4600

115 @ 4800

112 @ 2500

155 @ 2400

85 -> 86

83-> 91?

Belt No 324td,
524d/td
Never available in UK.
Was used by Ford.in US.
M43TU 1.9 4 2 118 @ 5500 133 @ 3900 98 on Chain No E46 318i
saloon
Replacement for M43.
Has balancer shafts
M52TU? 2.0

2.5

2.8

3.0

6 4 150 @ 5900

170 @ 5500

193 @ 5500

225? @ ?

140 @ 3500

181 @ 3500

207 @ 3500

? @ ?

late 98 on Chain Double '99 Z3, E39
and E46 six cylinder
models

3.0 will
replace 2.8
in near
future!
US only?

Based on M52.