It is possible that the EPP (expanded polypropylene) insert for the lithium-ion battery was not installed...
BMW technical service bulletin B611521 for 2021 BMW M4.
- Bulletin number
- B611521
- Component
- Equipment
- Summary
- It is possible that the EPP (expanded polypropylene) insert for the lithium-ion battery was not installed in approx. 0.3% of the G82 and G83 vehicles.
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