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Service bulletins for the 2014 BMW 640i

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.

308 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
B8403142018-12-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. SI B84 03 14 February 2016 Communication Systems Technical Service This Service Information bulletin supersedes SI B84 03 14 dated October 2014. SUBJECT Bluetooth Connection Failures. There are various connectivity failures with the following devices: Apple iPhones Samsung S6 and the S6 Edge. Connectivity failure examples are: Call disconnection - Call is transferred back to the handset. In some instances the call is then transferred back to the vehicle. Contact List incomplete General connection failures CAUSE Apple iOS software (issue started with iOS 8.3 continues with iOS 9.x and its variants) Samsung S6 and S6 Edge device firmware CORRECTOPM None available at this time. We are currently working with the device manufacturer on a solution.
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).
B6513132018-12-10. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. "?This Service Information bulletin supersedes SI B65 13 13 dated October 2014. SUBJECT Headunit-High: CID Is Blank and ""NO SIGNAL"" Is Displayed . Intermittently the Central Information Display (CID) is blank and ""NO SIGNAL"" is displayed on the CID. Fault Code B7F8C3 ""no response from CID (HW error: loss of CID communication)"" is stored in the HU-H Note: If Fault Code E1C440 ""Headunit Reset"" is also stored in the HU-H, this Service Information is not effective! Follow relevant test plan using ISTA diagnosis. Software error in the HU-H."
B5101162018-12-10. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW. "Heated rear window control module requires a software update. The electrical load of the heated rear window may cause the fuse to overheat and fail. AFFECTED VEHICLES Vehicles which require this Service Action to be completed will show it as ""Open"" when checked either in the ""Service Menu"" of DCSnet (Dealer Communication System) or with the Key Reader."
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.
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"
6518132018-12-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Touchpad Integrated in the iDrive Controller Is Intermittently Inoperative. Intermittently the Touchpad integrated in the iDrive controller is inoperative. * No entries can be made using the Touchpad * Fault code is stored in the touch-box control unit Software error in the touch-box control unit (TBX)
6307132018-12-03. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Daytime Running Light Does Not Switch ON. The DRL (Daytime Running Light) is off and cannot be switched on after importing the personal profile from another vehicle. The CID (Central Information Display) display shows that it is active. CAUSE Software error when importing the personal profile from a vehicle which has a different head unit
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."
6118132018-12-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. "Service Action: Program Control Units (CAS). The Car Access System (CAS) software is incorrect, allowing the rear deck lid to be open when the convertible top compartment cover is in the intermediate position. This can cause the convertible top compartment cover to collide with the rear deck lid. AFFECTED VEHICLES This Service Action involves F12 vehicles. 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 655. If code number 655 has been punched out, the campaign has already been performed. If code number 655 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."
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"
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
6113132018-12-03. Service bulletin. ELECTRICAL SYSTEM. "Service Action: Program Control Units (CAS). The Car Access System (CAS) was incorrectly coded with ISTA/P 2.49.2 or earlier, causing the anti-theft alarm system panic button on the remote control to stop functioning. AFFECTED VEHICLES This Service Action involves F12 vehicles which were produced from August 2010 to June 2012. 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 648. If code number 648 has been punched out, the campaign has already been performed. If code number 648 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."
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."
B6130172018-11-26. Service bulletin. ELECTRICAL SYSTEM. RAIN/LIGHT SENSOR (RLS): OIL LEAKAGE FROM GEL PAD. ??Oil leaking from the Rain/Light Sensor (RLS). Note: This oil serves as a separation medium between the RLS mounting gel pad and the windscreen. The oil ensures damage free disassembly in case of repair. CAUSE The oil that serves as the separation medium of the Rain/Light Sensor (RLS) gel pad and the windscreen leaks out. Expose the Rain/Light Sensor (RLS) and properly clean the area of all oily residue. Note: The separating oil usually leaks only once from the pad at the RLS. Due to the small oil quantity in the gel pad, additional oil leakage is not plausible. Leaking oil does not impair the function of the RLS.
6513132018-11-26. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. "Headunit-High: CID Is Blank and ""NO SIGNAL"" Is Displayed. Intermittently the Central Information Display (CID) is blank and ""NO SIGNAL"" is displayed on the CID. ??Fault Code B7F8C3 ""no response from CID (HW error: loss of CID communication)"" is stored in the HU-H Hardware error in the Headunit-High"
6401132018-11-26. Service bulletin. ELECTRICAL SYSTEM. IHKA Operating Panel Buttons Are Peeling.
6102112018-11-26. Service bulletin. ELECTRICAL SYSTEM. Advanced Onboard Battery Diagnostics. 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 (Stateof 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.
84030142018-11-26. Service bulletin. ELECTRICAL SYSTEM. iPhone: Connection Failures with iOS 7. There are various connectivity failures with the iPhone using iOS 7. Some examples are listed below: z Call disconnection z Contact List incomplete z General connection failures Apple software iOS 7 and its variants

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