2015 BMW Z4 N20B20/N54B30 (E89)
E89 / Convertible / Roadster / Global (Europe, North America, Asia)
N20B20N54B30N55B30Registro exacto de año/versiónSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Wastegate rattle on N54 engines
- Coolant leaks on chargecooler system
- Electronic handbrake faults
First checks
- Inspect VANOS solenoid operation and wastegate rattle especially on early N54 units
- Check coolant system integrity
- Verify DCT transmission fluid condition if equipped
Antes de cambiar piezas
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- Engine availability and tuning varies by market; US generally received both inline-4 and inline-6, Europe and Asia had more variations.
- 2015 is the final model year of the E89 Z4 generation before the new G29 launched later in 2018.