Different air temperatures are felt from left to right out of the front fresh air grilles (air vents).
BMW technical service bulletin B640621 for 2016-2021 BMW X1, 2014-2021 BMW I3 and 2016-2017 BMW X1 SAV and others.
- Bulletin number
- B640621
- Component
- Engine and engine cooling: engine: hard parts internal/mechanical
- Summary
- Different air temperatures are felt from left to right out of the front fresh air grilles (air vents).
Owners of these vehicles have filed 62 complaints in the engine category.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used BMW X1?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history