Different air temperatures are felt from left to right out of the front fresh air grilles (air vent)
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
- Equipment: appliance: air conditioner
- Summary
- Different air temperatures are felt from left to right out of the front fresh air grilles (air vent). The following fault code is saved in the IHKA (integrated automatic heating/air conditioning system) control unit: 801189 - Engine mixed air right: Initialization fault.
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