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Service bulletins for the 2017 BMW 740i

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

355 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Heating and air conditioning are shown. Show all

Bulletins, newest first
B6408212023-07-24. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. The air conditioning cycles from cold to warm air while driving or while at a stand still. The vent outlet temperatures vary by 25 degrees Fahrenheit or more (38 F to 60 F +) without changing any climate control settings.
B5122192019-09-23. Service bulletin. EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER. PASSENGER SIDE UPPER ACTIVE AIR FLAP STUCK OPEN/CLOSED. Upon visual inspection the passenger side upper active air flaps are either stuck open or closed and they will not move. There are no faults stored for the active air flaps. The pin used to attach the upper active air flap actuator has detached from the linkage.
B5121192019-09-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 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).
B6408192019-09-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. STATIONARY VENTILATION WILL NOT ACTIVATE AFTER PARKING. Activation of stationary ventilation is not possible after parking the vehicle.
B6414182019-02-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. NO COOLING INTERMITTENTLY FROM VENTS. After a long journey (more than 30 minutes).
B6412182019-02-25. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT:APPLIANCE:AIR CONDITIONER. HEATING IN EDRIVE IS NOT AVAILABLE. No heater output in eDrive mode.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.