BMW S50B30 Specs
BMW S50B30 engine specs: 182.7 ci (3L), 6-cylinder, 3.3858" bore x 3.378" stroke, 10.8:1 compression.
Dimensions
| Displacement | 182.7 ci / 3 L |
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| Bore | 3.3858" |
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| Stroke | 3.378" |
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| Cylinders | 6 |
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| Compression ratio | 10.8:1 |
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| Bore/stroke ratio | 1.002 |
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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 | 286 hp |
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What these numbers mean
| Bore/stroke character | 1.002 — square — bore and stroke are within 5%, a balanced compromise |
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| Mean piston speed at 6,000 RPM | 3,378 ft/min — conservative for a street engine |
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| Displacement per cylinder | 30.4 ci |
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| Static compression | 10.8:1 — in the range that usually runs on pump premium |
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