
BMW Z4 engines
The BMW Z4 is a German sports car in the back of a roadster, manufactured by BMW AG since 2002. The concept car of the 3rd generation of the model is presented in 2017. The launch of the production assembly of the model is planned to begin in 2018. The new car will be built on the Toyota Supra platform. Until 2008, the car was assembled in South Carolina (USA), and then moved to the German Regensburg. Starting from the 2nd generation, from 2009, the car body was equipped with a practical folding roof made of aluminum segments.
The BMW Z4 was offered with 11 engines since 2002 (11 petrol). Displacement ranges from 2.0 to 3.2 liters, power output from 129 to 388 hp. All of them use a timing chain. 4 are turbocharged. The longest rated lifespan belongs to the BMW S54B32 (about 400,000 km).
BMW Z4 engines by generation
| Engine | Years | Volume | Power | Fuel | Timing | Oil | Lifespan |
|---|---|---|---|---|---|---|---|
| BMW Z4 E85 2002–2008 | |||||||
| BMW M54B30 | 2002–2005 | 3.0 L R6 | 231 hp | petrol | chain | 6.5 L | ~330,000 km |
| BMW M54B25 | 2002–2005 | 2.5 L R6 | 192 hp | petrol | chain | 6.5 L | ~320,000 km |
| BMW M54B22 | 2003–2005 | 2.2 L R6 | 170 hp | petrol | chain | 6.5 L | ~300,000 km |
| BMW N46B20 | 2005–2008 | 2.0 L R4 | 129–170 hp | petrol | chain | 4.25 L | ~300,000 km |
| BMW N52B30 | 2005–2008 | 3.0 L R6 | 218–272 hp | petrol | chain | 6.5 L | ~275,000 km |
| BMW N52B25 | 2005–2008 | 2.5 L R6 | 177–218 hp | petrol | chain | 6.5 L | ~250,000 km |
| BMW Z4 M-Series E85 2006–2008 | |||||||
| BMW S54B32 | 2006–2008 | 3.2 L R6 | 315–360 hp | petrol | chain | 6.5 L | ~400,000 km |
| BMW Z4 E89 2009–2016 | |||||||
| BMW N54B30 | 2009–2016 | 3.0 L R6 | 306–340 hp | petrol, turbo | chain | 6.5 L | ~250,000 km |
| BMW N20B20 | 2011–2016 | 2.0 L R4 | 156 hp | petrol, turbo | chain | 5 L | ~220,000 km |
| BMW Z4 G29* 2019–present | |||||||
| BMW B58B30 | 2019–present | 3.0 L R6 | 326–388 hp | petrol, turbo | chain | ~300,000 km | |
| BMW B48B20 / B48A20 | 2019–present | 2.0 L R4 | 156–306 hp | petrol, turbo | chain | 5.25 L | ~250,000 km |
BMW Z4 engine FAQ
What engines were used in the BMW Z4?
BMW Z4 E85 (2002–2008): BMW M54B30, BMW M54B25, BMW M54B22, BMW N46B20, BMW N52B30 and BMW N52B25; BMW Z4 M-Series E85 (2006–2008): BMW S54B32; BMW Z4 E89 (2009–2016): BMW N54B30 and BMW N20B20; BMW Z4 G29* (2019–present): BMW B58B30 and BMW B48B20 / B48A20.
Which BMW Z4 engine is the most durable?
By rated service life the most durable BMW Z4 engines are: BMW S54B32 — about 400,000 km; BMW M54B30 — about 330,000 km; BMW M54B25 — about 320,000 km. Actual lifespan depends heavily on maintenance and oil change intervals.
How much oil does the BMW Z4 engine take?
Engine oil capacity with filter: BMW B48B20 / B48A20 — 5.25 L (0W-30, 0W-40, 5W-30, 5W-40); BMW M54B22 — 6.5 L (5W-30); BMW M54B25 — 6.5 L (5W-30); BMW M54B30 — 6.5 L (5W-30); BMW N20B20 — 5 L (5W-30); BMW N46B20 — 4.25 L (5W-30); BMW N52B25 — 6.5 L (5W-30); BMW N52B30 — 6.5 L (5W-30); BMW N54B30 — 6.5 L (5W-30); BMW S54B32 — 6.5 L (10W-60).
Does the BMW Z4 have a timing belt or chain?
Timing chain: BMW B48B20 / B48A20, BMW B58B30, BMW M54B22, BMW M54B25, BMW M54B30, BMW N20B20, BMW N46B20, BMW N52B25, BMW N52B30, BMW N54B30 and BMW S54B32.
Was the BMW Z4 available with a diesel engine?
No, all BMW Z4 engines in our database run on petrol.
Engine details




BMW M54B22
This engine is very afraid of overheating, monitor the condition of the cooling system.




BMW N54B30
The main problems of the engine are associated with the direct fuel injection system.


BMW B48B20 / B48A20
Compared to their predecessors, the B48 series engines are no longer so prone to oil consumption, however, closer to 100,000 km, valve…

BMW B58B30
Most of the complaints on the specialized forums are related to a decrease in the coolant level. The exact cause is unknown,…
Models with the same engines
- BMW 3-Series 10 shared engines
- BMW 5-Series 10 shared engines
- BMW X3 8 shared engines
- BMW 1-Series 6 shared engines
- BMW 7-Series 5 shared engines
- BMW X5 5 shared engines
- BMW X1 4 shared engines
- BMW Z3 4 shared engines
- BMW 2-Series 3 shared engines
- BMW 4-Series 3 shared engines