A software optimization affecting vehicle performance has been made available.
BMW technical service bulletin SIB120421 for 2017-2021 BMW 530I, 2017-2021 BMW 540I and 2018-2021 BMW 530E and others.
- Bulletin number
- SIB120421
- Component
- Electrical system: software
- Summary
- A software optimization affecting vehicle performance has been made available.
Owners of these vehicles have filed 50 complaints in the electrical category.
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