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Service bulletins for the 2021 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.

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

By type

By component

Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
B6603252025-04-03. Service bulletin. STRUCTURE:BODY. A check control message is displayed, indicating that the parking assistance systems have limitedfunctionality due to errors detected within PDC sensors. The warning indicates parking assistance featureshave limited functionality while the errors continue to be detected. Following faults may be stored 8031BA Ultrasonic Sensor Rear Side Left Software Error 8031CO Ultrasonic Sensor Rear outer left Software Error 8031AE Ultrasonic Sensor Rear Outer Right Software Error 8031A8 Ultrasonic Sensor Rear Side Right Software Error 8031B4 Ultrasonic Sensor Rear Middle Right Software Error 8031C6 Ultrasonic Sensor Rear Middle Left Software Error 8031CD Ultrasonic Sensor Voltage Supply Sensors Back: Short Circuit 8031CC Ultrasonic Sensor Voltage Supply Front: Short Circuit 8031CA Ultrasonic Sensors Front Extraneous Noise
B5405212023-09-25. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; VISIBILITY:SUN/MOON ROOF ASSEMBLY. ?The sunroof will not operate in either direction.
B5146162023-06-26. Service bulletin. STRUCTURE:BODY:TAILGATE. Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
SIB5102232023-05-22. Service bulletin. STRUCTURE. POPPING SOUND AT THE TOP OF THE C-PILLAR
B2402222023-01-30. Service bulletin. STRUCTURE. A cracking, metallic noise from under the center of the vehicle.
B6122192022-01-24. Service bulletin. EQUIPMENT:ELECTRICAL; STRUCTURE:BODY:DOOR. The customer states that the vehicle locks itself when the last door was closed, even though the remote control/display key was inside the vehicle.
B5127202020-12-21. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; STRUCTURE:BODY. FUEL FILLER DOOR WILL NOT OPEN: The fuel filler door (aka flap) will not open. In rare cases, if the vehicle is locked using the remote control key and the fuel filler door is pushed closed simultaneously, the fuel door can enter a locked state that cannot be unlocked.
B5121192020-10-19. Service bulletin. STRUCTURE. ACTIVE AIR FLAP FAULT DIAGNOSIS AND REPAIR: A check control message or MIL (Malfunction Indicator Lamp) may be illuminated.

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