BMW, N20B20, 84mm, 9.4:1 or S55B30 9.7:1 or N55B30 10.2:1
- Cylinders: 4
- Bore: 3.3070"
- Stroke: 89.6mm
- Rod Length: 144.3mm
- Compression Height: 1.276"
- Catalog Compression Ratio: 9.40:1
BMW, N20B20, 84mm, 9.4:1 or S55B30 9.7:1 or N55B30 10.2:1
- Cylinders: 4
- Bore: 3.3070"
- Stroke: 89.6mm
- Rod Length: 144.3mm
- Compression Height: 1.276"
- Catalog Compression Ratio: 9.40:1
