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February 5, 2024 Service bulletin

The coolant changeover valve may develop a coolant leak when the outside temperatures go below 19°F...

BMW technical service bulletin B640224 for 2023-2024 BMW I4, 2024 BMW I5 and 2023-2024 BMW I7.

Bulletin number
B640224
Component
Electrical system
Summary
The coolant changeover valve may develop a coolant leak when the outside temperatures go below 19°F (-7°C). The vehicles operating systems would also need to be at that same low temperature (example: being parked outside, overnight in low temperatures).

Owners of these vehicles have filed 36 complaints in the electrical category.

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