BMW 92ci specs: 82 x 94.6 mm (3.2283 x 3.7244 in) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.
| Displacement | 92 ci |
|---|---|
| Cylinders | 3 |
| Bore | 3.228" |
| Stroke | 3.724" |
| Compression | 11.0:1 |
| Years | 2014–2024 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| B38A15 | 92 ci | 3.2283" × 3.7244" | 11:1 | — |
This family is represented by a single engine in the database: 92 ci, 3 cylinders, a 3.2283" × 3.7244" bore and stroke.
All are undersquare — stroke larger than bore, favouring torque low in the range.
Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.