BMW S50B32 Specs
BMW S50B32 engine specs: 195.2 ci (3.2L), 6-cylinder, 3.4016" bore x 3.5827" stroke, 11.3:1 compression.
Dimensions
| Displacement | 195.2 ci / 3.2 L |
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| Bore | 3.4016" |
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| Stroke | 3.5827" |
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| Cylinders | 6 |
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| Compression ratio | 11.3:1 |
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| Bore/stroke ratio | 0.949 |
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Construction
| Block material | cast iron |
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| Head material | aluminum |
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| Valvetrain | DOHC |
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| Fuel type | gas |
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| Advertised HP | 321 hp |
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What these numbers mean
| Bore/stroke character | 0.949 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 3,583 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 32.5 ci |
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| Static compression | 11.3:1 — high enough that pump premium or better is normally required |
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Vehicles (2)
- BMW E36 M3 (Euro-spec)
- BMW Z3 M Roadster/Coupe (Euro-spec)
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