Program control units.
BMW technical service bulletin B120917 for 2014-2017 BMW I8.
- Bulletin number
- B120917
- Component
- Electrical system
- Summary
- SERVICE ACTION: PROGRAM CONTROL UNITS. The HV system is being shut off without a request from the driver. Erroneous fault memories can lead to unnecessary MIL activation. After starting the vehicle, the displayed electric range quickly reduces to an implausible level. Possible rough running engine on cold starts. Software error.
Owners of these vehicles have filed 4 complaints in the electrical category.
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