BMW N54B30 Specs
BMW N54B30 engine specs: 182.7 ci (3L), 6-cylinder, 3.3071" bore x 3.5276" stroke, 9.4:1 compression.
Dimensions
| Displacement | 182.7 ci / 3 L |
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| Bore | 3.3071" |
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| Stroke | 3.5276" |
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| Cylinders | 6 |
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| Compression ratio | 9.4:1 |
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| Bore/stroke ratio | 0.937 |
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Construction
| Block material | aluminum |
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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 | 360 hp |
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What these numbers mean
| Bore/stroke character | 0.937 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 3,528 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 30.4 ci |
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| Static compression | 9.4:1 — low by modern standards, generally happy on regular pump fuel |
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Vehicles (3)
- Alpina B3 Bi-Turbo
- Alpina B3 S Bi-Turbo
- Alpina B3 GT3
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