BMW 840i Service Bulletins (2024)
20 manufacturer communications on file.
- August 6, 2026•Document ID: 11036432OtherENGINE
- Mfr Comm. #:
- B064126
- Date Added:
- August 28, 2026
- Manufacturer:
- BMW
SummaryFan Return
Associated Products (5)Associated Documents - May 6, 2026•Document ID: 11032729Warranty Program/ExtensionENGINE
- Mfr Comm. #:
- B010126
- Date Added:
- May 18, 2026
- Manufacturer:
- BMW
SummaryThe EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
Associated Products (20)Associated Documents - August 21, 2025•Document ID: 11022110Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; SEATS
- Mfr Comm. #:
- B521125
- Date Added:
- August 24, 2025
- Manufacturer:
- BMW
SummaryIf the seat ventilation is deactivated via the switch or due to parking the vehicle, the fans in the seat cushionor under the seat cushion surface are unpleasantly loud. The fans speed up loudly twice and then turn off. The functionality of the fans is not impaired. This behavior only occurs after the vehicle had been programmed to I level S18A- 25-07-520 and higher; upto, but not including S18A- 25-07-551.
Associated Products (5)Associated Documents - February 3, 2025•Document ID: 11014038Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- B514616
- Date Added:
- February 10, 2025
- Manufacturer:
- BMW
SummaryUpon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
Associated Products (13)Associated Documents - January 22, 2025•Document ID: 11013098OtherSEATS
- Mfr Comm. #:
- B060425
- Date Added:
- January 25, 2025
- Manufacturer:
- BMW
SummaryFITTINGS RETURN
Associated Products (1)Associated Documents - January 10, 2025•Document ID: 11013116Service CampaignSUSPENSION
- Mfr Comm. #:
- B370125
- Date Added:
- January 25, 2025
- Manufacturer:
- BMW
SummaryDELIVERY STOP: SUSPENSION STRUT HOLDER
Associated Products (2)Associated Documents - November 4, 2024•Document ID: 11010762Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B512724
- Date Added:
- November 25, 2024
- Manufacturer:
- BMW
SummaryThe Ethernet bus of the Body Domain Controller (BDC) is interrupted so that audio output, rear viewcamera, or the driver assistance systems fail. The symptoms begin to appear during auto locking at approx.10 mph, or after the Central Locking button is activated. Dependent upon vehicle equipment, the following permanent SAE faults may be stored in the vehicle: S 0219, No Communication possible with: Amplifier S 0261, No Communication possible with: Camera-based driver assistance S 0273, No Communication possible with: Headunit S 0313, No Communication possible with: All-round vision camera S 0386, No Communication possible with: Instrument Panel S 0394, No Communication possible with: Telematics control unit
Associated Products (10)Associated Documents - October 22, 2024•Document ID: 11009417Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- B511524
- Date Added:
- October 28, 2024
- Manufacturer:
- BMW
SummaryDuring supplier production, the passenger sunvisor shaft may not have been fully pressed into the socket (arrow).
Associated Products (1)Associated Documents - July 29, 2024•Document ID: 11005449Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- B511219
- Date Added:
- August 2, 2024
- Manufacturer:
- BMW
SummaryA check control message or MIL (Malfunction Indicator Lamp) may be illuminated, with one or more of thefollowing 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 ambienttemperature 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
Associated Products (6)Associated Documents - July 25, 2024•Document ID: 11005227Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- B511524
- Date Added:
- July 25, 2024
- Manufacturer:
- BMW
SummaryDuring supplier production, the passenger sunvisor shaft may not have been fully pressed into the socket (arrow).
Associated Products (1)Associated Documents - June 12, 2024•Document ID: 11002864Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- B650121
- Date Added:
- July 2, 2024
- Manufacturer:
- BMW
SummaryNo Bass or a cracking noise can be heard from the bass speakers.
Associated Products (10)Associated Documents - May 3, 2024•Document ID: 11000500Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- B270220
- Date Added:
- May 29, 2024
- Manufacturer:
- BMW
SummaryThere is a jerking or shuddering during either or both of the following: Cornering or accelerating from low speeds Driving with low to medium loads There are no warning lights or Check Control messages.
Associated Products (7)Associated Documents - January 16, 2024•Document ID: 10249437Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
- Mfr Comm. #:
- B510819
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryThe basic conditions for initializing the power windows are not met.
Associated Products (77)Associated Documents - January 11, 2024•Document ID: 10249027Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- B611305
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryThe electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle âÂÂdischarged batteryâ complaints.
Associated Products (194)Associated Documents - January 8, 2024•Document ID: 10249018Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B360121
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryAt low outside temperatures (below 40 degrees F) and slow driving speeds (i.e. when parking, maneuvering)with a large steering angle, the front end can be slightly axially misaligned. This can be felt (jerking)/ heard via an acoustic acknowledgement (clunk) as seen at the 11 second mark of the video. See attached video V36 01 21.
Associated Products (77)Associated Documents - January 5, 2024•Document ID: 10249032Service Bulletin/Repair InstructionsEQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM
- Mfr Comm. #:
- B610524
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryThe Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3). FaultB7F8F9 ÃÂâÃÂÃÂÃÂàÃÂâÃÂÃÂÃÂÃÂHU-H: ResetÃÂâÃÂÃÂÃÂàwill be stored in the HU-H3.
Associated Products (79)Associated Documents - January 5, 2024•Document ID: 10249015Service Bulletin/Repair InstructionsFUEL SYSTEM, GASOLINE
- Mfr Comm. #:
- B160123
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryA vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system(NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and scavenging air system, micro-leak: leakage more than 0.5mm For: Model vehicles other that the ones listed above, or for EVAP faults related to a âÃÂÃÂlarge leak,âÃÂàafter confirming that the fuel filler cap is fitted properly, then, proceed to follow the corresponding test plan
Associated Products (70)Associated Documents - January 4, 2024•Document ID: 10249017Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320223
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummarySITUATION Unusual noises occur only when operating the steering column in the axial direction. 1. A one-time thump sound at the start of movement Shortly after the steering column starts moving, retracting, or extending, a one-time thump noise is heard. See attached video V32 03 23 2. Humming noise while steering column extends in the axial direction. The sound is only heard when the steering column is extended, not when the steering column is retracted. When the steering column starts to move in the extended direction, the humming noise can be heard. See attached video V32 04 23
Associated Products (38)Associated Documents - January 2, 2024•Document ID: 10249023Service Bulletin/Repair InstructionsSEATS; ELECTRICAL SYSTEM
- Mfr Comm. #:
- B521723
- Date Added:
- February 1, 2024
- Manufacturer:
- BMW
SummaryCustomer states one of the front seats is inoperative. The seat heater and power supply are inoperative. During the vehicle test, the seat module does not respond. The power supply fuse for the seat module isfound to have blown.
Associated Products (27)Associated Documents - November 8, 2023•Document ID: 10245372Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- B513218
- Date Added:
- December 6, 2023
- Manufacturer:
- BMW
SummaryThe paint finish on the door jamb (above the door striker) is scratched due to the inner door cavity window seal.
Associated Products (26)Associated Documents