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
| B660820 | 2020-11-16. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. SERVICE ACTION - REPLACE RIGHT REAR SHORT RANGE RADAR SENSOR (SRR): The functionality of the right rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message. |
|---|---|
| B320420 | 2020-11-16. Service bulletin. ELECTRICAL SYSTEM; STEERING. GROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment. |
| B611820 | 2020-10-19. Service bulletin. ELECTRICAL SYSTEM. BMW TURBOCORD PORTABLE EV 120 V/240 V CHARGER: The BMW-approved accessory TurboCord electric vehicle (EV) charger will not charge the vehicle. |
| B611320 | 2020-10-19. Service bulletin. ELECTRICAL SYSTEM. SERVICE ACTION - CHECKING THE DUAL STORAGE SYSTEM AND REPLACE IF NECESSARY: In the event of an accident, the two-battery Dual Storage System (DSS) is disconnected from the electrical system via an internal relay. In some cases, the relay is stuck closed and a fault is set. In these circumstances: A crash shutdown of the DSS does not occur The power distribution box is supplied with power until the DSS is fully discharged. |
| B512119 | 2020-10-19. Service bulletin. STRUCTURE. ACTIVE AIR FLAP FAULT DIAGNOSIS AND REPAIR: A check control message or MIL (Malfunction Indicator Lamp) may be illuminated. |
| B320420 | 2020-10-19. Service bulletin. STEERING. GROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment. |
| B320320 | 2020-10-19. Service bulletin. STEERING. FAILURE OF THE ELECTRIC STEERING COLUMN ADJUSTMENT AT HIGHER CABIN TEMPERATURE: Electric steering column adjustment fails when interior cabin temperatures rise above 122 degrees F (e.g., parked outdoors on hot day). Faulty self-diagnosis of the steering column control unit. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.