BMW TSB #B512119
2019 BMW X4
Affected Component: EQUIPMENT:APPLIANCE:AIR CONDITIONER
- Summary
- ACTIVE AIR FLAP FAULT DIAGNOSIS AND REPAIR. This Service Information Bulletin (Revision 2) replaces SI B51 21 19 dated August 2019. A check control message or MIL (Malfunction Indicator Lamp) may be illuminated with faults stored related to the upper and/or lower active air flap(s).