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November 14, 2025 Service bulletin

1. The customer states that the output air from one of the vehicle vent assemblies doesn’t match the...

BMW technical service bulletin B640525 for 2025-2026 BMW X3.

Bulletin number
B640525
Component
Unknown or other
Summary
1. The customer states that the output air from one of the vehicle vent assemblies doesn’t match the desiredtemperature, will change temperature opposite of climate settings. 2. The customer states that the output air from one of the vehicle vent assemblies doesn’t match the desired temperature, nor change from Hot/Cold.

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