BMW M31 Engine
This page lists the M31 specifications for the engine built by BMW.
| Fuel Type | Petrol |
|---|---|
| Configuration |
I4 KKK Turbocharger |
| Combustion Type | Forced Induction (Single Turbo) |
| Displacement (cc) | 1,990 cc |
| Cylinders | 4 |
| Cylinder Bore (mm) | 89 mm |
| Cylinder Stroke (mm) | 80 mm |
| Valves | 8 |
| Valves Per Cylinder | 2 |
| Valvetrain | SOHC |
| Compression Ratio | 6.9:1 |
| Power (kW) | 125 kW @ 5,800 RPM |
| Torque (N⋅m) | 245 N⋅m @ 4,000 RPM |
| Redline (RPM) | |
| Weight (kg) | |
| Production | 1973 - 1975 |
| Cars Using Engine | 1 |
Where listed, power output figures are based on the most powerful production variant of that engine, because some manufacturers use different engine maps to tune the same engine for better fuel economy, performance or to differentiate models in the range.
Cars using the BMW M31 Engine
There is 1 car using this engine:
Last Updated: 16th October 2020 at 21:05:45