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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.

By type

By component

By trouble code

Bulletins, newest first
1302132018-12-03. Service bulletin. FUEL/PROPULSION SYSTEM. N54 Engine: Fuel Pressure Control Test Plan Error. INFORMATION Not applicable.
1225122018-12-03. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. One or more of the following situations may occur sporadically: * The vehicle does not start * The vehicle stops running * The air conditioning compressor does not turn on * Reverse lights do not work * The transmission does not shift into gear * Various chassis and engine check control messages CAUSE The ground point Z6000*4B on the engine block near the starter is loose.
1216112018-12-03. Service bulletin. ENGINE; POWER TRAIN. N55 Engine Failsafe - FC 120308 Boost Pressure Control, Plausibility: Pressure Too Low Stored in DME Fault Memory. INFORMATION The customer complains the SES is illuminated and the engine has reduced power (engine failsafe mode).
6516132018-12-03. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. Headunit Basic: Intermittently No AM Radio Reception. The Headunit Basic (HU-B), also called Radio Professional or ENTRY head unit, intermittently does not have AM radio reception after starting the vehicle when left in AM mode. * Only hissing or static noise can be heard * AM radio stations are correctly displayed Proper function can be restored by switching to FM mode and back to AM mode. No fault code is stored in the head unit. Software issue in the HU-B
6206132018-12-03. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Condition Based Service Due Date Is Reset to 01/2000. The Condition Based Service (CBS) due date is reset to 01/2000 and cannot be updated for: * Oil Service * Check Vehicle Note: No fault code is stored Software error in the Instrument Cluster
0102122018-12-03. Service bulletin. ENGINE; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. "BMW NA has agreed to extend the emissions warranties of the turbocharger's wastegate to: ??8 years or 82,000 miles, whichever occurs first, as determined from the vehicle's original in-service date select the ""Vehicle Comment"" button to display the extended coverage information. The terms of the original New Vehicle/SAV Limited Warranty and applicable emissions warranty still apply. BMW NA will not provide warranty coverage to any Settlement Class Member's vehicle containing modifications or alterations to the turbocharger or its wastegates (software, hardware or otherwise), or evidencing other conditions not normally covered under the original New Vehicle/SAV Limited Warranty or applicable emissions warranty. Modifications excluded from warranty coverage include any aftermarket parts that affect the turbocharger system, or if there are other conditions that would normally exclude it from warranty coverage."
B8406162018-12-03. Service bulletin. ELECTRICAL SYSTEM. ?BMW ONLINE NON-FUNCTIONAL: CHECK ICC-ID IN ACCOUNT. BMW Online/BMW ConnectedDrive not functional. Vehicle and service cockpit have different ICC-ID's (Integrated Circuit Card Identifier).
B8402142018-12-03. Service bulletin. ELECTRICAL SYSTEM. ?CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION. 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. This Service Information bulletin 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.
6107132018-12-03. Service bulletin. ELECTRICAL SYSTEM. Service Action: Repair Corrosion Protection on the Trunk B+ Connector. The corrosion protection on the outside of the trunk (back of rear right-hand wheel arch) around the battery positive connector is insufficient, and leads to corrosion on the body.
5413092018-12-03. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; VISIBILITY:SUN/MOON ROOF ASSEMBLY. "?Panoramic Sunroof Repair Instructions. INFORMATION Sunroof Repair Instructions: The panoramic sunroof contains several ""mechanism sets"" which can be repaired and/or replaced independently in the event of a mechanical failure. When performing such a repair to any of these sets, the TIS/ISTA Repair Instructions (REP) should always be consulted. Due to the complex nature of these repairs, a set of complementary instructions with additional detail, explanation, and photos has been developed. The attached Repair Instructions should always be used in conjunction with the TIS/ISTA REP. "
3407132018-12-03. Service bulletin. SERVICE BRAKES. Brake Fluid Maintenance Service: 36-Month Interval. The coding in these vehicles has the CBS displaying the first brake fluid service as a 36-month interval from the date of production, instead of the appropriate 24-month interval.
1215132018-12-03. Service bulletin. ENGINE. N20 and N26 Engine: Various VANOS System Faults Stored in DME. The Service Engine Soon lamp is illuminated; Engine Malfunction warning is illuminated; and the vehicle has reduced power output. Various faults related to VANOS operation are stored in the DME. While performing the test plan, the results may appear to be inconclusive because the fault will not clear from DME Fault Memory. The ISTA/D diagnostic test plan does incorporate a VANOS bleed function, but it does not advise the technician to bleed the VANOS system after a VANOS or engine oil supply component replacement. CAUSE This is due to an error in the current level of ISTA/D. The error will be corrected with ISTA/D 2.41.0.
B5110162018-12-03. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR. ?GROANING NOISE FROM DOORS. A groaning noise is heard from any of the doors when driving over rough road surfaces. Excessive friction between window guide and door opening. Situation is worsened by: * Option SA 760 high-gloss shadow line * High ambient temperature * Uneven driving surface.
8406132018-11-26. Service bulletin. EQUIPMENT. iPhone Charging Status Constantly Switches On and Off. Do not replace any other parts! Advise the customer that he/she must use one of the following: * The original Apple iPhone/iPOD USB cable that came with the device * A BMW supplied iPhone/iPOD USB adapter cable PARTS INFORMATION Part Number
8405132018-11-26. Service bulletin. ELECTRICAL SYSTEM. TCB: Emergency Call Is Erroneously Triggered. An emergency call is erroneously made with no input from the driver. The following fault codes are stored in the TCB: * 0xB7F325 - Emergency call loud speaker: break in circuit * 0xB7F319 - Emergency call button: short circuit * 0xB7F326 - Emergency call loud speaker: short circuit to earth * 0xB7F33E - Automatic emergency call triggered frequently CAUSE TCB control unit error
7201112018-11-26. Service bulletin. SEAT BELTS. "Safety Belt Extender ""Handover"" Fails to Deliver the Belt to the Customer. The customer states that the seat belt extender ""handover"" on the front driver's or passenger side failed to deliver the belt. One or more of the following situations may apply: * The safety belt extender extends but the belt slips off. * The ""hand"" on the extender fails. * The safety belt is twisted. * The extender will not operate and makes noise while extending. S One or more of the following causes may apply: 1. The safety belt is incorrectly positioned. 2. The ""hand"" on the extender has mechanically failed. 3. The safety belt slips off the ""hand"" due to excessive resistance from the seat belt reel, not allowing the belt to extend properly. The seat belt is twisted. 4. The safety belt slips off the ""hand"" due to the belt material being excessively worn. 5. The safety belt extender fails to extend or retract intermittently due to FRM (Footwell Module) software. 6. The safety belt extender is noisy or inoperative, due to a communication problem or incorrect power or ground."
6604122018-11-26. Service bulletin. ELECTRICAL SYSTEM. The PDC system falsely detects obstacles on all front and rear sensors when no obstacles are present around the vehicle. Software error in the REM (Rear Electronic Module)
6513102018-11-26. Service bulletin. EQUIPMENT. In all audio modes (radio, CD, AUX-In, etc.), the audio output is distorted. It is more noticeable with high bass and high audio volume settings. There may also be an intermittent interference noise coming from the loudspeakers at low audio volume or when the radio is turned off. Audio settings in the RAD2+ (radio professional)
6205132018-11-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Head-up Display: Navigation Information Is Not Displayed. The navigation system information (turn advice - arrow view) is no longer displayed on the Head-up Display (HUD). Turning the ignition on and off doesn't resolve the issue. Application error between the instrument cluster and the Head-up Display
6132122018-11-26. Service bulletin. ELECTRICAL SYSTEM. "REM: Various Electrical Faults in Rear of a Vehicle. Various electrical faults associated with the rear of the vehicle occur, including one or more of the following: * The REM (Rear Electronic Module) does not respond to diagnosis. * The one-touch function of the rear power windows is inoperative. * The rear power windows cannot be initialized. * The trunk lid cannot be opened. * The brake lights are not working (check control message ""Left/right brake light failed"" is displayed). * The rear turn indicator lights are not working (check control message ""Rear left/right turn indicator failed"" is displayed). One or more of the following faults are stored in the REM: * ""804805 Internal software control unit fault"" * ""804876 Turn indicator, rear left, faulty"" * ""804877 Turn indicator, rear right, faulty"" * ""804872 Brake light, left, faulty"" * ""804874 Brake light, right, faulty"" * ""30195 Window regulator, passenger's side door, rear: invalid characteristic curve, no normalization present"" * ""30115 Power window, rear door on driver's side: invalid characteristic curve, no normalization present"" * ""301A0 Window regulator on passenger's side door, rear: system is not normalized"" * ""30120 Power window, rear door on driver's side: system is not standardized"" CAUSE Rear power window drive(s) faulty"
5413092018-11-26. Service bulletin. VISIBILITY. "Panoramic Sunroof Repair Instructions. INFORMATION Sunroof Repair Instructions: The panoramic sunroof contains several ""mechanism sets"" which can be repaired and/or replaced independently in the event of a mechanical failure. When performing such a repair to any of these sets, the TIS/ISTA Repair Instructions (REP) should always be consulted. Due to the complex nature of these repairs, a set of complementary instructions with additional detail, explanation, and photos has been developed. The attached Repair Instructions should always be used in conjunction with the TIS/ISTA REP. Refer to the following repair attachments: Front Glass Mechanism repair E53, E61, E70, E83, E91.pdf Rear Glass Mechanism repair E53, E61, E70, E83, E91.pdf Wind Deflector Mechanism repair E53, E61, E70, E83, E91.pdf Sunshade Mechanism repair E53, E61, E83.pdf Sunshade Mechanism repair E70, E91.pdf All panoramic roofs for the above-listed models are conceptually similar and utilize similar repairs. NOTE: An E83 (X3) sunroof cassette is used for demonstration of the repairs. Some differences may exist between this and other models. The following prerequisite work is required in order to replace the following kits (in addition to removing the cassette from the car and glass from the cassette): Front Glass Mechanism - None. Rear Glass Mechanism - Remove the front glass mechanism. Wind Deflector Mechanism - Remove the front glass mechanism; remove the rear glass mechanism. Sun shades and Shade Mechanism - None Sunroof Mechanical 3D Animation: A 3D animation has been developed in order to clarify how the sunroof mechanism operates, as well as how it is assembled and disassembled. To view this animation, open Interactive Career Pathways (ICP) and select ""Replace Front and Rear Glass Panel Mechanic"" from the Technical Service Information section of the home page. This animation allows you to: * Operate the mechanism and view from any angle; * Add or remove parts and then cycle the sunroof; * S
3202132018-11-26. Service bulletin. STEERING. Electronic Power Steering (EPS) Fails when Starting: Fault Code 4823E1. The EPS fails briefly when starting the engine. FC 4823E1 is stored in the EPS_20 control unit. CAUSE Specific undervoltage situation during engine starting.
1304092018-11-26. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. "N54 Engine: Diagnosis of Cold Start Rough Running with Misfire Faults. The customer may complain that during the cold start in the morning, the engine runs very roughly and the Service Engine Soon lamp is illuminated. Various misfire fault codes (e.g., 29CC, 29D2, 29D1, 29D0, 29C0, 29CF) may be stored in the DME control module. The engine rough running complaint can be reproduced on a cold start in the workshop. During the course of diagnosis, the spark plugs, removed from the misfiring cylinders after the problem was reproduced, are found to be soaked (""wet"") with fuel, while the injector tips are covered with a layer of carbon deposit. Possible cause: high-pressure injector failure (leakage or incorrect spraying pattern) due to internal wear or unfavorable stock of tolerances IMPORTANT: For comprehensive N54 drivability diagnostics, always refer to the ""N54 Engine Diagnostic Fault Tree"" file (the current version ""02_14_13"" is found as a PDF attachment to SI B12 55 06)."
B1227162018-11-26. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSING NON FUNCTIONING eDRIVE. * Vehicle will not go into "eDrive" * No pertinent electric drivetrain fault codes to assist with diagnosis * "eDrive" may be greyed-out in the Central Information Display (CID) and is not selectable * MSA deactivation * 12 volt battery failure * Intelligent Battery Sensor (IBS) failure.
B1209182018-11-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. NOISE FROM ENGINE WHEN STARTING. Noise when starting the engine. Engine making a rattling/grinding noise near the 12 volt starter motor. The following fault has been stored in the DME fault memory: * 21A511 - Start system, pinion starter motor: Timeout The following faults are also possible: * 21A504 - EGS, separation clutch: jammed open * 21A50A - Start system, pinion starter: Timeout successively occurred multiple times * 21A510 - Start system, EME: Timeout Consequential damage to flywheel (Torsional vibration damper) and automatic transmission may have also occurred. The starter motor is broken. It may be indicated by:

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