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Service bulletins for the 2012 BMW 328i

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.

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

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
SB23-012023-08-03. Service bulletin. SUSPENSION; STEERING; EQUIPMENT. Spl Parts, Inc. communications index accompanying MCP uploads 23mc40464 & 23mc40471
sb23-01TMS2023-08-02. Service bulletin. SUSPENSION; STEERING; EQUIPMENT. This is the companion to SPL Parts, Inc.'s SB 23-01 mailed by private label independent distributor Turner Motorsports.
SB 23-012023-08-02. Service bulletin. EQUIPMENT; SUSPENSION; STEERING. SPL Parts, Inc. manufacturers and distributes aftermarket lower control arms for dedicated competition vehicles and "track day" cars some of which may be used on both track and highway. SB 23-01 adresses proper installation torque of cap bolt fasteners attaching SPL's aftermarket lower control arms, recurring inspection and confirmation of torque setting and removal and replacement of damaged or under torqued fasteners to reduce risk of premature failure and accident. SB-23-01 was mailed, emailed and posted on SPL website to known resellers, race teams and users of the affected parts and is being submitted here as required by part 579.5. Vehicle Applications include: BMW series 1,2,3,& 4, 2008-2023; Chevrolet Camaro 26-2023, Cadillac ATS, CTS 2016-2019; Ford Mustang 2015-2023; Toyota Supra 2020-2023.
B8408222023-05-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an IMS registration in the mobile communication network. Due to a production error, the telematics control units were delivered without an IMS configuration. The Connected Drive voice services (Concierge Call, BMW Assistance, and emergency call voice) can no longer be used regionally in the US in vehicle with telematics control units ATM-1 and TCB-4G. Voice control of the vehicle and all other telephone (paired mobile devices) functions are not affected. Emergency call location data is unaffected.
SIB0119182022-07-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Component specific limited warranty extension. For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle Nitrogen Oxide (NOx) Sensor(s) to: 10 years/120,000 miles as determined by the vehicle original in-service date.
SIM0109172022-07-05. Service bulletin. EQUIPMENT. Shipping specific non-deployed vehicle safety devices to lighting resources, llc. This service Information bulletin provides information on shipping "specific" noin-deployed vehicle safety devices that are classified as Dangerous Goods (DG) to Lighting resources, LLC
B58N20N55S552022-05-31. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Component and Issue Specific Limited Emission Warranty Extension. This component-specific limited emission warranty extension applies to defects in materials or workmanship.
B6406132021-12-20. Service bulletin. EQUIPMENT:ELECTRICAL. Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes.
B1102212021-12-13. Service bulletin. POWER TRAIN:DRIVELINE:CHAIN/BELT; EQUIPMENT:ELECTRICAL. With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Gelis, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North America, LLC.
B1102212021-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Gelis, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North America, LLC.
B8402212021-08-23. 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.
B8401212021-08-23. 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.
B8402212021-08-09. 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.
B6107212021-08-09. 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.
B1101202021-08-09. 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.
B0402212021-08-09. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY. Distribution of the following tool will be through the Automatic Tool Shipment Program
B1103212021-07-19. 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.
B6406132021-02-08. Service bulletin. EQUIPMENT. ?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.
B6406132021-02-01. 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.
B1103172021-02-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. N20 AND N26 ENGINE TIMING CHAIN AND OIL PUMP DRIVE CHAIN: Whining noise from the lower engine area near the engine oil pump that increases frequency when increasing the engine RPM. Wear on the engine oil pump chain drive and timing chain sprockets.
B6123152020-12-21. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT. Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full: Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full.There are no faults stored in the system for the washer fluid level switch.
B6104192020-08-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED: The customer's vehicle does not start due to a totally discharged battery.
B8402142020-04-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION: This Service Information Bulletin (Revision 7) replaces SI B84 02 14 dated May 2019. ConnectedDrive/BMW Assist features are partially or completely inoperative. This Service Information Bulletin: Is being published because vehicles are down for an extended period of time when researching system failures with ConnectedDrive or BMW Assist. Will assist you both in identifying the issue and providing technical support. CAUSE Not enough information is available for BMW NA engineers to assist the technician in diagnosing the root cause.
B6522142020-04-20. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). AUTOMATED ACTIVATION OF NAVIGATION SYSTEM DURING PDI/QC1: This Service Information Bulletin (Revision 2) replaces SI B65 22 14 dated October 2015. The INITIAL NAV enabling code no longer needs to be pre-ordered through the Parts department! When the vehicle is connected to the diagnostic system ISTA to perform PDI/QC1 the step to activate the navigation system (part of Delete Transport Mode) will automatically request the INITIAL NAV enabling code (VIN-specific) without pre-ordering the enabling code. This enabling code will be automatically delivered through ISTA and it then activates the navigation system.
B8404162020-02-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. SOS MALFUNCTION DISPLAYED This Service Information Bulletin (Revision 1) replaces SI B84 04 16 dated September 2016. One or all the following may be experienced in the vehicle: An SOS malfunction is seen in the Kombi (aka instrument cluster) When pressing the E-Call/SOS button in the overhead console nothing happens Fault code B7F33C (internal ECU error) is stored in the Telematics control unit (ATM/TCB2) There are 2 known causes for this failure. They are as follows: Software file missing from the ATM/TCB2 control module Water leak at the "shark fin" roof antenna (aka roof aerial) leading to corrosion in the ATM/TCB2 control module.

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