Service bulletins for the 2021 BMW X4
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.
168 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Equipment and accessories are shown. Show all
| B840621 | 2022-01-24. Service bulletin. EQUIPMENT; COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM. The SIM card installed in the telematics control unit (ATM2) connects to different mobile providers' networks. However, due to a missing parameter, this does not work and can cause disruption in BMW ConnectedDrive services in areas with insufficient network coverage. |
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| B840421 | 2022-01-24. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Wi-Fi Hotspot is missing and inoperable. |
| B652121 | 2022-01-24. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SiriusXM satellite radio is not working and does not display a channel list. |
| B541119 | 2022-01-24. Service bulletin. STRUCTURE:BODY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin outlines known areas of possible water entry, operational noise, or wind noise for the vehicles listed above. It serves only as a diagnostic resource in troubleshooting complaints from the roof area. |
| B520221 | 2022-01-24. Service bulletin. SEATS; EQUIPMENT. Milky-white stains (discolorations) in the leather are observed in the second-row seat bottom, backrests and/or headrests. |
| B090121 | 2021-12-27. Service bulletin. EQUIPMENT. BMW offers a new special ISTA Installation made available for Roadside Assistance / Mobile Service technicians. |
| B640321 | 2021-12-20. Service bulletin. EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. After replacing the microfilter during a previous service, the customer notices that the ventilation system airflow rate is noticeably less. |
| B651312 | 2021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2 (HU-H2), also called NBT-EVO, superseded the NBT HU and was introduced in 3/2014. This uses map North America EVO. The Headunit High 3 (HU-H3, also called MGU) superseded the NBT-EVO starting with certain MY2019 vehicles with option code 6U3 Live Cockpit Professional or 6U2 Live Cockpit Plus. This uses map North America LIVE. The ENTRY Media/Navigation (HU-B) is the low line business version of the navigation system and was introduced in 3/2014. This uses map North America ROUTE. The ENTRY NAV EVO (HU-B2) replaced Entry Media/Navigation as the low-line business version and was introduced in certain MY2018 vehicles. This uses map North America WAY. |
| SIB310121 | 2021-12-13. Service bulletin. EQUIPMENT. Due to a parts list error in production, the vehicle was not built according to specification. |
| B090321 | 2021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. In some rare cases a customer vehicle might be excluded from one or more Remote Software Upgrade (RSU) campaigns. This SIB gives an overview how to identify these vehicles and how to proceed in case of a customer complaint. |
| B090221 | 2021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. With the introduction of BMW Remote Software Upgrade, all Service Pack 18 vehicles and partial Service Pack 15 vehicles may receive new functionalities or modifications in their features with a new Software Update. |
| SIB 64 03 21 | 2021-10-25. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH; EQUIPMENT ADAPTIVE/MOBILITY. After replacing the microfilter during a previous service, the customer notices that the ventilation system airflow rate is noticeably less. This leads to perceived lower cooling power. The customer may also notice that external odors enter the vehicle. |
| SIB 61 09 21 | 2021-10-25. Service bulletin. EQUIPMENT:ELECTRICAL. Check control message (CCM-ID 49) "You can continue driving. Drivetrain". In addition, the following information is shown on the Central Information Display (CID): "You can continue to drive. No roadside assistance necessary. To avoid subsequent damage, arrange an appointment with your Service Partner". |
| B662919 | 2021-09-07. Service bulletin. EQUIPMENT:ELECTRICAL. The top view image of the vehicle is misaligned when observed in the Control Information Display (CID). When the vehicle is parked in a parking spot with line markings, it is clearly noticed in the CID that the lines are not parallel to the side of the vehicle. This may be noticed on either the driver side, passenger side or both. |
| B840220 | 2021-08-23. Service bulletin. EQUIPMENT:ELECTRICAL. REMOTE 3D VIEW NOT AVAILABLE: Remote 3D View cannot be launched In the BMW ConnectedDrive App. |
| B840120 | 2021-08-23. Service bulletin. EQUIPMENT:ELECTRICAL. BMW CONNECTEDDRIVE SERVICES ARE NOT AVAILABLE: The BMW ConnectedDrive services are not available for an extended period. |
| B650721 | 2021-08-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI. HU-H3 MGU RESETS DUE TO BLUETOOTH CONNECTION WITH SAMSUNG ANDROID 11 : The head unit resets when using various apps (e.g., YouTube, Spotify, etc) on the connected mobile phone. This affects Samsung mobile phones (e.g., Galaxy S20 / S21) with the Android 11 operating system. |
| B651121 | 2021-08-09. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. SiriusXM satellite radio is not working and does not display a channel list. |
| B640321 | 2021-08-09. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; STRUCTURE:INTERIOR PANELS:DASHBOARD. After replacing the microfilter during a previous service, the customer notices that the ventilation system airflow rate is noticeably less. This leads to perceived lower cooling power. The customer may also notice that external odors enter the vehicle. |
| B630418 | 2021-08-09. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT. One or more of the LED daytime running lights are dim or discolored. |
| 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. |
| 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. |
| B640121 | 2021-05-24. Service bulletin. ENGINE; EQUIPMENT. WHISTLING NOISE COMING FROM FRESH AIR INLET (ENGINE COMPARTMENT): A whistling noise is present from the fresh air inlet area (engine compartment bulkhead area), in the right front area of the vehicle, at speeds above 40 mph. |
| B510521 | 2021-05-24. Service bulletin. EQUIPMENT. GLOVE BOX COVER: It is possible that an out-of-specification glove compartment cover on the passenger side was installed. |
| 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.