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Service bulletins for the 2012 BMW 550i

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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
B6502162018-12-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. SUBJECT Audio System Speaker Testing. For audio system speaker testing there is a NED (Non Electrical Diagnosis) Test Plan available. CAUSE We previously recommended use of the Audio Test CD (ATC) from BMW. This CD has been discontinued.
B6103142018-12-10. Service bulletin. ELECTRICAL SYSTEM. February 2016 General Electrical Systems Technical Service This Service Information bulletin supersedes SI B61 03 14 dated May 2015. SUBJECT Check Control Messages Related to Battery Charge during Cold Ambient Temperatures. On cold days (an outside ambient temperature below 15F), customers may notice a check control message related to the battery displayed on the instrument cluster and the control information display. The check control message (ID 229) is caused by a heavily discharged battery. The check control message is triggered when the current state of charge (SoC) of the battery approaches the minimum SoC that is required to start the vehicle (start capability limit).
B5103162018-12-10. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY; POWER TRAIN. SUBJECT Noise from the Power Window. When operating front power windows a chattering noise can be heard. Front window regulator is lacking lubrication
B0703142018-12-10. Service bulletin. ENGINE; STEERING; ELECTRICAL SYSTEM; EQUIPMENT. This Service Information bulletin supersedes SI B07 03 14 dated October 2015. Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits. Fault codes stored in vehicles being serviced are not being diagnosed, leading to repeat repair visits (source- Analysis of FASTA data and repeat repair visit reports). INFORMATION Where diagnosis (vehicle or short test) with ISTA has already started, it is important to diagnose the fault code(s) listed below (when they are stored in the vehicle) to find their root cause during the current workshop visit. This will help lead to a reduction in workshop repeat repair visits and higher customer satisfaction.
B6130142018-12-10. Service bulletin. ELECTRICAL SYSTEM. SI B61 30 14. January 2016. General Electrical Systems Technical Service This Service Information bulletin supersedes SI B61 30 14 dated December 2015. designates changes to this revision SUBJECT BMW Maintenance Program: 12-Volt Battery Replacement Measure . INFORMATION This bulletin outlines a customer satisfaction measure that has been designed exclusively for the BMW vehicles listed above. It involves the replacement of the 12-volt battery as a preventive maintenance measure. This 12-volt battery replacement measure is: Effective for repairs dated on or after January 1, 2015. Applicable to vehicles that are still covered by the BMW Maintenance Program. This program is valid for 4 years or 50,000 miles, whichever occurs first. The calculation is based on the current date of repair. It is "applicable" when the 12volt battery was not replaced within the last 12 months. You can then perform the battery replacement as outlined below. Please check the warranty claim history for the specific vehicle in the DCSnet Warranty Vehicle Inquiry to confirm the battery was not already replaced within the previous 12 months.
B8407162018-12-10. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:SOFTWARE. ?After programming with ISTA/P 3.55.0 or a more recent version, the customer can no longer send ?Edit start time? signal for climate control system can only send an ?Activate now? signal for climate control system.
6415102018-12-03. Service bulletin. ELECTRICAL SYSTEM. Fault Code for Ionizer Short to Ground Is Stored in the IHKA. INFORMATION Not applicable.
6305132018-12-03. Service bulletin. ELECTRICAL SYSTEM. "FRM3 Will Not Communicate with ISTA. When diagnosing the vehicle with ISTA, the FRM3 (Footwell Module) is shown as not responding in the vehicle test. The customer may report one or more of the following malfunctions: 1. Light operation * CCM (Check Control Message) ""Display failure"" * Lighting INOP * Turn signal lights INOP * Break lights INOP * License plate light INOP * Courtesy lights INOP * Instrument cluster w/o light 2. Windows * One or both front windows INOP 3. LIN components https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/15625.1.B630513... 8/29/2013 Page 2 of 2 * CCM ""no blind spot detection"" if equipped * Power mirrors INOP * Seat adjustment INOP 4. Hardware inputs * Door locks INOP * Gear shifts automatically to P * Gear shift lever cannot be moved out of P 5. Electrical steering column adjustment * ELSV (Electric Steering Column Adjustment) INOP CAUSE Various causes include the following: * Blown fuse * Faulty wiring * Faulty component"
6122132018-12-03. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. """Increased battery discharge!"" CC Message upon Startup. CAUSE A software error in the Intelligent Battery Sensor causes an incorrect State of Charge (SoC) to be stored in the DME. The power management system then interprets this as a heavily discharged battery and informs the customer via a CC message. In reality, the battery does not have a problem."
1219132018-12-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. ?Service Action: Program Control Units (Oil Level Sensor). Due to a signal error from the oil level sensor, the vehicle could display an erroneous message indicating that an oil service is due after only a short distance has been traveled.
1218132018-12-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. N63: Service Engine Soon Lamp (MIL) Is On with Fault 1D2008 Stored. Under certain low-load driving conditions at low outside ambient temperatures, the following fault may be stored in the DME with the Service Engine Soon lamp (MIL) on: Fault 1D2008 - Map thermostat, mechanical: jammed open. However, the thermostat is found to be operating correctly with sufficient heat output from the climate control system, and the engine is operating at the correct temperature. Unfavorable DME software diagnostic
8404132018-12-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. "TCB: Emergency Call Is Disabled. A Check Control message shows ""Emergency call failure."" When the SOS button is pressed, the call is not made by the TCB (Telematics Communication Box). Fault code 0XB7F33F is stored in the TCB. CAUSE TCB application error"
6509132018-12-03. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. "CHAMP2: Stored Radio Stations Deleted After Ignition Off. After ignition off, the stored radio stations (AM/FM and Satellite) are no longer available in: * Menu ""PRESETS"" * Functional bookmarks (buttons on the head unit) Error in the CHAMP2 head unit"
6102112018-12-03. Service bulletin. ELECTRICAL SYSTEM. Advanced Onboard Battery Diagnostics. INFORMATION Starting with the introduction of the F10 (5 Series), an advanced intelligent battery sensor has been used. This now makes it possible for the vehicle to monitor the condition of the battery in order to determine if the battery needs to be recharged or replaced, along with the remaining capacity of the battery. The analysis and testing of the battery's SoC (State of Charge) and SoH (State of Health) is now performed using ISTA (Integrated Service Technical Application) diagnosis. A separate test using a battery tester is no longer needed.
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
2702132018-12-03. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Knocking Noise from Driveline During Low-speed Turning. A cracking or knocking noise is heard from the driveline on sharp turns at low driving speeds (<15 mph). CAUSE Software calibration error in the transfer case control unit (Longitudinal Torque Module or LMV)
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.
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
6603132018-11-26. Service bulletin. ELECTRICAL SYSTEM. Parking Assistant Inoperative After Programming. The parking assistant system does not function correctly. One or more of the following scenarios may occur: * Unable to activate the parking assistant via the iDrive * When activated, the vehicle does not locate a parking spot * Does not assist with parking the vehicle CAUSE Software error in ISTA/P 2.49.0 programming data
6138122018-11-26. Service bulletin. ELECTRICAL SYSTEM. "Service Action: Program Control Units (CAS). After programming/coding the vehicle with ISTA/P 2.48.1 or earlier, the Car Access System (CAS) was incorrectly coded. This causes the anti-theft alarm system panic button on the remote control to not function. In order to determine whether a specific vehicle has had this Service Action completed or is affected by this Service Action, first check the B-pillar label for code number 637. If code number 637 has been punched out, the campaign has already been performed. If code number 637 has not been punched out, it will be necessary to utilize the ""Service Menu"" of DCSnet (Dealer Communication System) or the Key Reader. Based on the response of the system, either proceed with the corrective action or take no further action. Important Note: A campaign can be reserved in ISPA Light as ""Pending"" prior to submission of a claim. If you find this campaign reserved, please verify the reason before attempting to perform this repair."
2702122018-11-26. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. "The warning lamps for DSC, ABS and brake warning are illuminated. There may also be a warning in the control display for ""Chassis Control System failure."" One or more of the following fault codes are stored: DSC: * D36D44 - Signal error longitudinal torque distribution (LMV) * 48097D - Transfer Case clutch position open F01, F02, F07, F10, F12 and F13 LMV: * 440108 - Control Unit internal error * 44010F - Control Unit internal error E70, E71 and E84 LMV: * 5219 - Control Unit: EEPROM Writing-reading-error * 522D - Control Unit: internal Error CAUSE Software calibration error in the LMV"
B0129182018-11-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. N63 ENGINE VEHICLES: CLASS ACTION SETTLEMENT FOR ENGINE OIL CONSUMPTION/BATTERY DRAIN OVERVIEW CLASS VEHICLES (MODELS) Certain of the following US-specification BMW vehicles sold or leased in the United States and Puerto Rico are included.
B0123182018-11-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM; EQUIPMENT. N63 ENGINE OIL CONSUMPTION/BATTERY DRAIN CLASS ACTION LAW SUIT SETTLEMENT: FUTURE ENGINE OIL SERVICE BENEFIT CLASS VEHICLES (MODELS) Certain models of the following US specification BMW vehicles sold or leased in the United States and Puerto Rico are included.
B0122182018-11-26. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. N63 ENGINE CLASS ACTION SETTELEMENT: BATTERY SERVICE BENEFIT.

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