Engine Designations
Not all engines are available in all markets. For example, smaller engines tend not to be available in the US. Diesel engines were not available in the UK until fairly recently. Power figures are for European models; older US engines tend to be restricted by emissions regulations.
|
BMW
|
Size(litres) |
Cyl |
Valves |
Power
|
Torque
|
BHP/ |
Torque/ |
Manufactured |
Bore x
Stroke |
Timing |
Weight |
VANOS |
Used in |
|
M10 |
1.5 1.6 1.8 2.0i 2.0tii 2.0 turbo |
4 |
2 |
75 @ ? 85 @ 5700 90->98 @ 5250 100 @ 5500 125 @ 5700 130 @ 5800 170 @ 5800 |
? 91@ 3000 108 @ 3000 116 @ 3000 129 @ 4350 131 @ 4500 181 @ 4000 |
50 53.1 52.2 50 62.5 65 85 |
? 56.9 60 58 65 65 90.5 |
75 66 -> 69? 71 -> 87 68 -> 75 E21 320i / E12 520i 71 -> 75 73 -> 74 |
82x71 84x71 89x71 89x80 89x80 89x80 89x80? |
Chain |
82 |
No |
1502 1600-2 1802, E21/E30 316 2002, E21 320 2002 tii 2002 turbo |
|
M20 (little six) |
2.0 2.3i 2.5i 2.7eta |
6 |
2 |
? 129 @ 6000 143 @ 5300 170 @ 5800 125 @ 4250 |
? 120 @ 4000 151 @ 4000 167 @ 4000 177 @ 3250 |
? 64.5 62.2 68 46.3 |
? 60 65.7 66.8 65.6 |
77->92 |
80x66 80x66 80x76.8 84x75 84x81 |
Belt |
117 |
No |
E21 320 E21 320i/6, E30, E34 E21/30 323i 325i, E34 525i 325e,528e |
|
M30 (big six) |
2.5 carb 2.5i 2.8 carb 2.8i 3.0 late 3.3 |
6 |
2 |
150 @ ? 150 @ 5500 165? 184 @ 5800 185->208 @ ? 188@ 5800 200->206 (euro) 218@ 5200 |
? 159 @ 4000 ? 177 @ 4000 188 @ ? 192 @ 4000 209 @ ? 229 @ 4000 |
60 60 58.9 65.7 61.7 62.7 60.6 62.3 |
? 63.6 ? 63.2 62.7 64 63.3 67.4 |
73->81 81->88 74->77 81->87/8 1970s 1987->93 early 80s 77/8 -> 93 |
? ? 86x80 86x80 89x80 89x80 86x86 92x86 |
Chain |
143 |
No |
E12 525 E28 525i, E23 725i E12 528, 2800/CS E28 528i, E23 728i 3.0CS/i/L,3.0Si 6 cyl 530i & 730i 3.3Li/633, 732i/733i 535i,635i,735i |
|
M102 |
6 |
2 |
252 @ 5200 |
279 @ 2200 |
74.1 |
82.1 |
84-> 86? |
? |
Chain |
145 |
No |
E23 745i |
|
|
M40 |
1.6 1.8 |
4 |
2 |
102 @ 5500 115 @ 5500 |
105 @ 4250 122 @ 4250 |
63.8 63.9 |
63.8 67.8 |
87? -> late 93 |
84x72 84x81 |
Belt |
81 |
No |
post -87 E30 316i, 318i, 518i, Pre-93 E36 316i, euro 318i. |
|
M42 |
1.8 |
4 |
4 |
140 @ 6000 |
129 @ 4500 |
77.8 |
71.7 |
89 -> 96 |
84x81 |
Chain |
100 |
No |
E30/36 318is, Z3 |
|
M43 |
1.6 1.8 |
4 |
2 |
102 @ 5500 115 @ 5500 |
111 @ 3900 124 @ 3900 |
63.8 63.9 |
69.3 68.9 |
late '93 -> late 98 |
84x72 84x81 |
Chain |
83 |
No |
Post '93 E36 316i, euro 318i (except Coupe), 518i |
|
M43TU |
1.9 |
4 |
2 |
118 @ 5500 |
133 @ 3900 |
62.1 |
70 |
98 on |
85x83.5 |
Chain |
83? |
No |
E46 318i all models inc. Coupe |
|
M44 |
4 |
4 |
140 @ 6000 |
133 @ 4300 |
73.7 |
70 |
96 on |
85x83.5 |
Chain |
102 |
No |
E36 318iS, Z-3 |
|
|
M50/M50TU |
2.0 3.0 |
6 |
4 |
150 @ 5900 192 @ 5900 240 @ 6000 |
140 @ 4700 181 @
4700 225 @ 4250 |
75 76.8 80 |
70 72.4 75 |
89? -> 98 89? -> 95 95 |
80x66 84x75 ? |
Chain |
136 |
Single |
320i,520i 325i, 525i Early US E36 M3 |
|
M52/M52TU |
2.0 2.5 3.0 |
6 |
4 |
150 @ 5900 170 @ 5500 193 @ 5300 241 @ 6900 |
140 @ 4200 180 @ 3950 207 @ 3950 236 @ 3600 |
75 68 68.9 75.3 |
70 72 74 73.8 |
96 on 95 on 95 on 96->99 |
80x66 84x75 84x84 ? |
Chain |
118 euro 140? USA |
Single Double on TU |
E39 520i E36 323i, E39 523i E36 328i, E39 528i, 728i Late US E36 M3 |
|
M54 |
2.0 2.2 2.5 2.8 3.0 |
6 |
4 |
150 @ 5900 170 @ ? 192 @ ? 193 @ 5500 231 @ ? |
140 @ 3500 155 @ 3500 181 @ 3500 207 @ 3500 221 @ 3500 |
75 77.3 76.8 68.9 77 |
70 70.5 72.4 74 73.7 |
. autumn 2000 autumn 2000 - early 2000 |
? |
Chain |
126 |
Double |
'99 Z3, E39 and E46 six cylinder models 2.2 replaced 2.0 3.0 replaced 2.8 |
|
M60 |
V8 |
4 |
218 @ 5800 286 @ 5800 |
229 @ 4500 295 @ 5100 |
72.7 71.5 |
76.3 73.8 |
April 92 -> 96 |
84x67.6 89x80 |
Chain |
146 |
No |
530i 730i 540i, 740i, 840i |
|
|
M62 |
V8 |
4 |
235 @ 5700 286 @ 5700 350? |
236 @ 4700 310 @ 3900 ? |
67.1 65 76? |
67.4 70.5 ? |
late 96 on |
84x78.9 92x82.7 ? |
Chain |
140 |
Single |
730i 540i, 740i,840i |
|
|
M70 |
V12 |
2 |
300 @ 5200 |
332 @ 3900 |
60 |
66.4 |
88-> 94 |
84x75 |
Chain |
155 |
No |
750il 850i |
|
|
M73 |
5.4 |
V12 |
2 |
326 @ 5000 |
361 @ 3900 |
60.4 |
66.9 |
95/6? on |
85x79 |
Chain |
150 |
Single |
E38 750iL ? |
|
S14 |
2.5 |
4 |
4 |
200 @ 6750 215 @ 6750 |
177 @ 4600 181 @ 4750 |
87 86 |
77 72.4 |
87 -> 89 90 -> 91 |
93.2x83.8 ? |
Chain |
106 |
No |
E30 M3 euro |
|
S38 early |
6 |
4 |
277 @ 6500 286 @ 6500 |
238 @ 5000 245 @ 4500 |
79.1 81.7 |
68 70 |
79 - > 80 86 -> 90 |
93.2x83.8 |
Chain |
146 |
No |
M1 E28 M5, M6 |
|
|
S38 late |
6 |
4 |
315 @ 6900 340 @ 6900 |
260 @ 4750 289 @ 4500 |
87.5 89.5 |
72.2 76 |
88 -> 91 92 -> 96 |
? |
Chain |
151 |
No |
E34 M5 |
|
|
S50 |
3.0 |
6 |
4 |
286 @ 7000 |
236 @ 3600 |
95.3 |
78.7 |
92 ->95 |
? |
Chain |
152 |
Single |
E36 M3 |
|
S52 |
3.2 |
6 |
4 |
321 @ 7400 |
258 @ 3250 |
100.3 |
80.6 |
96 -> 2000 |
86.4x91 |
Chain |
152 |
Double |
E36 M3 (Euro) |
|
S54 |
3.2 |
6 |
4 |
343 @ 7900 |
269 @ 4900 |
107.2 |
84.1 |
2001 on |
? |
Chain |
? |
Double |
E46 M3 |
|
S62 |
8 |
4 |
400 @ 6600 |
369 @ 3800 |
81.6 |
75.3 |
99 on |
94x89 |
Chain |
158 |
Dual |
E39 M5 |
|
|
S70 |
5.6 |
12 |
2 |
380 @ 5300 |
406 @ 4000 |
67.9 |
72.5 |
94->97? |
? |
Chain |
165 |
No? |
E31 850CSi |
|
M21 Diesel |
2.4 2.4 Turbo |
6 |
2 |
86 @ 4600 115 @ 4800 |
112 @ 2500 155 @ 2400 |
35.8 47.9 |
46.7 64.6 |
85 -> 86 83-> 91? |
80x81 |
Belt |
126 |
No |
324td, 524d/td |
|
M41Diesel |
1.7 TD |
4 |
2 |
90 @ 4400 |
140 @ 2000 |
53 |
82.4 |
95 on |
80x82.8 |
Chain? |
108 |
No |
E36 318TDS |
|
M51 Diesel |
2.5 TD 2.5 TDS |
6 |
2 |
115 @ 4800 143 @ 4800 |
162 @ 2400 206 @ 2200 |
46 57.2 |
64.8 82.4 |
95 on |
80x82.8 |
Chain |
132 |
No |
E36 325TD/S, E34, E39 |
|
M47 Diesel |
2.0 |
4 |
4 |
136 @ 4000 |
207 @ 1750 |
68 |
103.5 |
98 on |
? |
Chain |
117 |
No? |
E46 320d |
|
? Diesel |
2.5 3.0 |
6 |
4 |
170 @ 4000 183 @ ? |
258 @ 2000 300 @ 1750 |
68 61 |
103.2 100 |
autumn 2000 |
? |
Chain |
165 |
No? |
E46, E39 |
|
M57 Diesel |
4.0 |
V8 |
4 |
245 @ 4000 |
413 @ 1750 |
61.2 |
103.2 |
99 on |
? |
Chain |
192 |
No? |
E38 740d |
VANOS = variable valve timing
To convert from ft/lb to Nm multiply by 1.36 (100ft/lb = 136Nm)
To convert from BHP to kW multiply by 0.735 (100 bhp = 73.35kW)
Engine weights are for a dry engine with no manifolds, starter motor, alternator, etc. They will vary by 2 or 3 kg for different types of fuel injection and model year. US M50 had an iron block due to sulphur problems and is much heavier than euro. Anti-pollution kit will add a few kgs to earlier US spec engines.
http://www.unixnerd.demon.co.uk/enumber.html
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