
BMW Z1 engines
The compact roadster BMW Z1 was produced in small series in Germany from 1989 to 1991, a total of eight thousand copies of the model were made.


In the first years of production, the car was very popular, which then fell sharply with the release of Mercedes-Benz SL.
The BMW Z1 was offered with 1 engine between 1988 and 1991 (1 petrol). Displacement ranges from 2.5 to 2.5 liters, power output from 163 to 163 hp. All of them use a timing belt.
BMW Z1 engines by generation
| Engine | Years | Volume | Power | Fuel | Timing | Oil | Lifespan |
|---|---|---|---|---|---|---|---|
| BMW Z1 (E30/Z) 1988–1991 | |||||||
| BMW M20B25 | 1988–1991 | 2.5 L R6 | 163 hp | petrol | belt | 4.75 L | ~300,000 km |
BMW Z1 engine FAQ
What engines were used in the BMW Z1?
BMW Z1 (E30/Z) (1988–1991): BMW M20B25.
How much oil does the BMW Z1 engine take?
Engine oil capacity with filter: BMW M20B25 — 4.75 L (5W-30 / 5W-40 / 10W-30 / 10W-40 / 10W-50 / 15W-40 / 15W-50).
Does the BMW Z1 have a timing belt or chain?
Timing belt: BMW M20B25. Belts must be replaced on schedule: on many engines a broken belt bends the valves.
Was the BMW Z1 available with a diesel engine?
No, all BMW Z1 engines in our database run on petrol.
Engine details

Models with the same engines
- BMW 3-Series 1 shared engine
- BMW 5-Series 1 shared engine
