Service bulletins for the 2021 BMW 230i
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.
40 on file from NHTSA, as of 2026-10-19.
By type
By component
| B610721 | 2021-11-08. Service bulletin. STEERING. Groaning, scraping, or squeaking noise coming from the steering wheel area in the interior of the vehicle,when turning the steering wheel. |
|---|---|
| B840221 | 2021-08-23. Service bulletin. EQUIPMENT:ELECTRICAL. TELEMATICS UNIT RETROFIT TO 4G CELLULAR TECHNOLOGY: The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022. |
| B840121 | 2021-08-23. Service bulletin. EQUIPMENT:ELECTRICAL. TELEMATICS UNIT DEACTIVATION DUE TO 3G CELLULAR TECHNOLOGY DISCONTINUATION: The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022. |
| B840221 | 2021-08-09. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM:SOFTWARE. The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022. The decision to phase out 3G network technology was made at the discretion of the respective cellular carriers and lies beyond the control of BMW. Due to the phase-out, BMW Assist and ConnectedDrive services will no longer be supported after this date. |
| B610721 | 2021-08-09. Service bulletin. EQUIPMENT; STEERING; EQUIPMENT ADAPTIVE/MOBILITY. Groaning, scraping, or squeaking noise coming from the steering wheel area in the interior of the vehicle, when turning the steering wheel. |
| B110120 | 2021-08-09. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN. On rare occasions during an engine oil service, the BMW Original (Genuine) engine oil filter insert is either difficult to remove or breaks apart in the oil filter housing. |
| B510921 | 2021-07-19. Service bulletin. EQUIPMENT; VISIBILITY. GROANING FROM THE SIDE WINDOWS: There is a groaning noise present from the area where the side windows meet the convertible top while driving. Insufficient seal pressure against the side windows. |
| B110321 | 2021-07-19. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. B58 ENGINE: ENGINE OIL FILTER REMOVAL PROCEDURE AND TOOLS . A. For the B58 engines, a BMW Oil Catch special tool for use in conjunction with removing the engine oilfilter insert is now available. |
| B510921 | 2021-07-06. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; VISIBILITY; SERVICE BRAKES, HYDRAULIC. GROANING FROM THE SIDE WINDOWS: There is a groaning noise present from the area where the side windows meet the convertible top while driving. Insufficient seal pressure against the side windows. |
| B110321 | 2021-07-06. Service bulletin. SEATS. B58 ENGINE: ENGINE OIL FILTER REMOVAL PROCEDURE AND TOOLS . A. For the B58 engines, a BMW Oil Catch special tool for use in conjunction with removing the engine oilfilter insert is now available. |
| B610615 | 2021-05-24. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Washer Fluid Reservoir Rattles While Driving on Rough Roads: Rattling noises heard from vicinity of glove box. |
| B360121 | 2021-05-24. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SERVICE BRAKES, AIR:DISC. Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degrees F) increases the likelihood of cracks to form. |
| B121318 | 2021-03-15. Service bulletin. ENGINE AND ENGINE COOLING. COMBUSTION CONTROL VALVE LIFT AT IDLE: The vehicle will run rough or hesitate when accelerating from a stationary position. |
| B640613 | 2021-02-01. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT; ELECTRICAL SYSTEM. ?A/C COOLING INTERMITTENT REDUCTION OF AIR FLOW: Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. The evaporator starts to freeze up. |
| B011220 | 2021-02-01. Service bulletin. TIRES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. BMW MAINTENANCE BOOKLET AND OEM TIRE MANUFACTURERS' WARRANTIES: In efforts to provide a digital experience to our customers, BMW of North America, LLC (BMW NA) is proud to announce a digital version of both the BMW Maintenance Booklet and BMW Original Equipment Manufacturers' (OEM) Tire Warranties. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.