2017 BMW i8 B38K15T0 (petrol)/Electric Motor (synchronous) (I12)
I12 / 2-door Coupe / Roadster / Global (Europe, USA, Asia, others)
B38K15T0 (petrol)Electric Motor (synchronous)Exact year/trim recordGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Battery degradation in extreme climates
- High voltage system maintenance costs
First checks
- Battery state of health
- Hybrid system cooling efficiency
- Turbo system condition
Before replacing parts
- 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
- 2017 model year includes both coupe and roadster configurations with minor technical updates
- Exact power output may vary slightly with regional market emission requirements