Quality checks have determined that the coolant changeover valve may develop a coolant leak under very low...
BMW technical service bulletin B640624 for 2023-2024 BMW I4, 2024 BMW I5 and 2023-2024 BMW I7.
- Bulletin number
- B640624
- Component
- Engine
- Summary
- Quality checks have determined that the coolant changeover valve may develop a coolant leak under very low outside temperatures (significantly lower than 32ยบ F (0 C)).
Owners of these vehicles have filed 6 complaints in the engine category.
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