BMW 840i Service Bulletins
194 manufacturer communications on file.
- October 1, 2020•Document ID: 10182915Service Bulletin/Repair InstructionsSEATS
- Mfr Comm. #:
- B520720
- Date Added:
- November 23, 2020
- Manufacturer:
- BMW
SummarySEAT HEATING NOT ACTIVATED WHEN ENGINE IS STARTED USING REMOTE STARTING SYSTEM: When preheating/precooling the vehicle via the remote starting system (Remote Engine Start), the seat heating on the driver's side is not activated.
Associated Products (28)Associated Documents - October 1, 2020•Document ID: 10182907Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320420
- Date Added:
- November 23, 2020
- Manufacturer:
- BMW
SummaryGROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment.
Associated Products (74)Associated Documents - October 1, 2020•Document ID: 10182624Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- B660720
- Date Added:
- November 16, 2020
- Manufacturer:
- BMW
SummarySERVICE ACTION - REPLACE LEFT REAR SHORT RANGE RADAR SENSOR (SRR): The functionality of the left rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
Associated Products (36)Associated Documents - October 1, 2020•Document ID: 10182617Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; SEATS:FRONT ASSEMBLY:HEAD RESTRAINT
- Mfr Comm. #:
- B520820
- Date Added:
- November 16, 2020
- Manufacturer:
- BMW
SummaryCC MESSAGE "FAILURE OF HEAD RESTRAINT ADJUSTMENT ON PASSENGER'S SIDE": Customer states he/she has received a sporadic Check Control message (CCM) "Failure of head restraint adjustment on passenger's side". This is CCM ID-2184. This message appears when the customer folds down the front passenger seat and drives off. The front passenger seat is unoccupied. The CCM (ID-2184)- Appears after 60 seconds States that the head restraint is faulty and that the customer could injure themselves Recommends visiting a workshop Software in the seat module.
Associated Products (9)Associated Documents - October 1, 2020•Document ID: 10182616Service Bulletin/Repair InstructionsSEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER
- Mfr Comm. #:
- B520720
- Date Added:
- November 16, 2020
- Manufacturer:
- BMW
SummarySEAT HEATING NOT ACTIVATED WHEN ENGINE IS STARTED USING REMOTE STARTING SYSTEM: When preheating/precooling the vehicle via the remote starting system (Remote Engine Start), the seat heating on the driver's side is not activated.
Associated Products (28)Associated Documents - October 1, 2020•Document ID: 10182608Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; STEERING
- Mfr Comm. #:
- B320420
- Date Added:
- November 16, 2020
- Manufacturer:
- BMW
SummaryGROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment.
Associated Products (74)Associated Documents - September 1, 2020•Document ID: 10181225Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- B511219
- Date Added:
- October 19, 2020
- Manufacturer:
- BMW
SummaryKIDNEY GRILL ACTIVE AIR FLAP FAULTS: A check control message or MIL (Malfunction Indicator Lamp) may be illuminated.
Associated Products (24)Associated Documents - September 1, 2020•Document ID: 10181221Service Bulletin/Repair InstructionsSUSPENSION
- Mfr Comm. #:
- B330120
- Date Added:
- October 19, 2020
- Manufacturer:
- BMW
SummaryREAR AXLE SHUDDER AT SLOW SPEEDS: There is a shudder or jerking feeling coming from the rear of the vehicle at low speeds and low engine loads while turning Incorrect actuating pressure in the M-differential clutch plates.
Associated Products (7)Associated Documents - September 1, 2020•Document ID: 10181220Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320420
- Date Added:
- October 19, 2020
- Manufacturer:
- BMW
SummaryGROANING NOISE DURING HEIGHT ADJUSTMENT OF THE ELECTRIC STEERING COLUMN: A groaning type noise is heard during the height adjustment.
Associated Products (74)Associated Documents - September 1, 2020•Document ID: 10181219Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320320
- Date Added:
- October 19, 2020
- Manufacturer:
- BMW
SummaryFAILURE OF THE ELECTRIC STEERING COLUMN ADJUSTMENT AT HIGHER CABIN TEMPERATURE: Electric steering column adjustment fails when interior cabin temperatures rise above 122 degrees F (e.g., parked outdoors on hot day). Faulty self-diagnosis of the steering column control unit.
Associated Products (71)Associated Documents - August 1, 2020•Document ID: 10179825Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B662419
- Date Added:
- September 14, 2020
- Manufacturer:
- BMW
SummaryREMOTE CONTROL IS NOT DETECTED: Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. Note: Opening, closing and starting via the BMW Digital Key or the Digital Key Card are not affected. Software error in the BDC (Body Domain Controller) module.
Associated Products (63)Associated Documents - August 1, 2020•Document ID: 10179824Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B661919
- Date Added:
- September 14, 2020
- Manufacturer:
- BMW
SummaryCOMFORT ACCESS AND COMFORT GO NOT POSSIBLE: Vehicle cannot be unlocked/locked or started via Comfort Access. Remote control functionality is restored by pressing any of the key buttons or by removing and reinstalling the remote control key battery.
Associated Products (71)Associated Documents - August 1, 2020•Document ID: 10179823Service Bulletin/Repair InstructionsLANE DEPARTURE
- Mfr Comm. #:
- B661519
- Date Added:
- September 14, 2020
- Manufacturer:
- BMW
SummaryLANE DEPARTURE WARNING - STEERING INTERVENTION TOO STRONG: The steering intervention for Lane Departure Warning (LDW) is too strong (severe), which can create an uncomfortable feeling for the driver. Background: Steering intervention helps keep the vehicle in the lane if the system detects that a lane marking has been crossed. The steering intervention can be noticed on the steering wheel and can be manually overridden at any time. Software error in the KAFAS (camera-based driver assistance system) control unit.
Associated Products (38)Associated Documents - August 1, 2020•Document ID: 10179821Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B651520
- Date Added:
- September 14, 2020
- Manufacturer:
- BMW
SummaryHEAD UNIT RESETS WHEN NAVIGATION IS USED IN CERTAIN LOCATIONS: The head unit resets sporadically causing the CID to turn black and then starts up again after a short time with the message "Start navigation system". This only occurs during navigation guidance when the "3D building" function is used Software in the Head Unit High (HU-H3).
Associated Products (71)Associated Documents - August 1, 2020•Document ID: 10179815Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- B511219
- Date Added:
- September 14, 2020
- Manufacturer:
- BMW
SummaryKIDNEY GRILL ACTIVE AIR FLAP FAULTS: A check control message or MIL (Malfunction Indicator Lamp) may be illuminated, with one or more of the following faults stored: 138207- Active cooling damper control (AKKS), top: blockage at warm ambient temperature 21B043- Active cooling damper control (AKKS), top: blockage at all ambient temperatures 138222- Active cooling damper control (AKKS), above: positional deviation error detected at warm ambient temperature 138209- Active cooling damper control (AKKS), top: Control deviation at all ambient temperatures 13822B- Active cooling damper control (AKKS), top: Control deviation at all ambient temperatures 21B042- Active cooling damper control (AKKS), below: blockage at all ambient temperatures 138206- Active cooling damper control (AKKS), bottom, blockage at warm ambient temperature 138225-Active air-flap control, bottom: top limit position not detected 138224-Active air-flap control, bottom: bottom limit position not detected Multiple potential issues may be the cause, including: 1. Faulty active air flap(s) (Upper and/or lower) 2. Software error in the DME 3. Debris or blockages from outside influence (non-warranty) 4. Information error memory that does not require a repair 5. For G20 only- Detached lower active air flaps
Associated Products (14)Associated Documents - August 1, 2020•Document ID: 10179809Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B090220
- Date Added:
- September 14, 2020
- Manufacturer:
- BMW
SummaryREMOTE SOFTWARE UPGRADE: For BMW, Remote Software Upgrade (RSU) is the next consequent step with regard to digitalization and customer satisfaction. With the introduction of RSU, customers now can update the vehicle software by themselves.
Associated Products (38)Associated Documents - August 1, 2020•Document ID: 10179748Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- B090218
- Date Added:
- September 14, 2020
- Manufacturer:
- BMW
SummaryNEW ECU VALIDATION NEEDED AFTER REPLACING CERTAIN CONTROL MODULES: With introduction of the new Headunit HU-H3 (MGU Media Graphics Unit), there is a new protection mechanism against tampering. If one or more of the following components needs to be replaced, the secure connection between them must be re-established: MGU TCB Telematic Communication Box (ATM-02) RSE Rear Seat Entertainment and/or KOMBISP18 instrument cluster Prior to re-establishing this connection, an electronic certificate must be created in the BMW backend for importing into the Vehicle. After the replacement of one of the mentioned Modules, the Control Module needs a valid certificate for it to communicate with the other Modules.
Associated Products (68)Associated Documents - July 1, 2020•Document ID: 10179010Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- B651220
- Date Added:
- August 31, 2020
- Manufacturer:
- BMW
SummaryBMW CONNECTEDDRIVE APPS ARE NO LONGER AVAILABLE AFTER PROGRAMMING: After programming vehicle with "20-03" software, BMW ConnecedDrive apps are no longer available in the head unit. Software in the Head Unit High (HU-H3).
Associated Products (71)Associated Documents - July 1, 2020•Document ID: 10179009Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- B650709
- Date Added:
- August 31, 2020
- Manufacturer:
- BMW
SummaryNAVIGATION SYSTEM - REPORTING MISSING OR INCORRECT ROADMAP DATA: Do not replace parts and do not program the vehicle. Roads can change by up to 15% every year. To ensure the best navigation experience, we do everything in our power to create the best maps. Your reports help us to detect changes in your area and keep future versions of our maps as accurate as possible. Therefore, a road map error or missing data must be reported directly to the map supplier.
Associated Products (284)Associated Documents - July 1, 2020•Document ID: 10179007Service Bulletin/Repair InstructionsEQUIPMENT:ELECTRICAL
- Mfr Comm. #:
- B620119
- Date Added:
- August 31, 2020
- Manufacturer:
- BMW
SummaryINSTRUMENT CLUSTER AND ONBOARD COMPUTER INTERMITTENTLY INOPERATIVE: The audio source, radio station, or music track cannot be changed using the MFL. Normal functionality may possibly return after a sleep cycle or a battery reset. This affects vehicles with: Integration level S18A-18-11-5xx Live Cockpit Professional (option code 6U3) including the instrument cluster High 4.1. While the Kombi is not working properly the rest of the system is working properly. The customer can still use the Central Information Display (CID) for items such as entertainment settings, Driver Experience settings, etc, utilizing the I drive controller. The telephone functions are not affected. Unfavorable software at system start-up.
Associated Products (71)Associated Documents