BMW M850i Service Bulletins (2020)
172 manufacturer communications on file.
- September 19, 2025•Document ID: 11024203Warranty Program/ExtensionENGINE
- Mfr Comm. #:
- B011724
- Date Added:
- October 9, 2025
- Manufacturer:
- BMW
SummaryThe Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of external corrosion in the engine’s center fuel injector bore area that resulted after this location was periodically contaminated by engine coolant residue over time. This special program’s coverage is 15 years / 150,000 miles as determined from the vehicle's original in-service / first delivery date.
Associated Products (10)Associated Documents - July 9, 2025•Document ID: 11021119Warranty Program/ExtensionFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- B011724
- Date Added:
- July 31, 2025
- Manufacturer:
- BMW
SummaryThe Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of external corrosion in the engine’s center fuel injector bore area that resulted after this location was periodically contaminated by engine coolant residue over time. This special program’s coverage is 15 years / 150,000 miles as determined from the vehicle's original in-service / first delivery date.
Associated Products (7)Associated Documents - January 21, 2025•Document ID: 11013036Warranty Program/ExtensionFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- B011724
- Date Added:
- January 23, 2025
- Manufacturer:
- BMW
SummaryThe Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of external corrosion in the engine’s center fuel injector bore area that resulted after this location was periodically contaminated by engine coolant residue over time. This special program’s coverage is 15 years / 150,000 miles as determined from the vehicle's original in-service /first delivery date. It is subject to the same vehicle requirements and limitations criteria that applies to the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. The repair / replacement of cooling system components and / or the fuel injectors for other issues are excluded under this special coverage.
Associated Products (6)Associated Documents - December 10, 2024•Document ID: 11012076Warranty Program/ExtensionFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- B011724
- Date Added:
- December 31, 2024
- Manufacturer:
- BMW
Summarythe Fuel Injector Condition-Specific Repair Coverage Program applies to qualifying repairs for the required replacement of one or more the fuel injectors which were determined to have failed due to a buildup of external corrosion in the engine’s center fuel injector bore area that resulted after this location was periodically contaminated by engine coolant residue over time. This special program’s coverage is 15 years / 150,000 miles as determined from the vehicle's original in-service / first delivery date.
Associated Products (9)Associated Documents - June 7, 2024•Document ID: 11002676Service CampaignENGINE
- Mfr Comm. #:
- B170324
- Date Added:
- July 1, 2024
- Manufacturer:
- BMW
SummaryUnder certain driving situations, coolant leaks onto the fuel injectors on cylinder bank (5-8).
Associated Products (7)Associated Documents - May 16, 2024•Document ID: 11000498Service CampaignENGINE
- Mfr Comm. #:
- B170324
- Date Added:
- May 29, 2024
- Manufacturer:
- BMW
SummaryUnder certain driving situations, coolant leaks onto the fuel injectors on cylinder bank (5-8).
Associated Products (8)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 (652)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 (1018)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 (183)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 (175)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 (106)Associated Documents - October 13, 2023•Document ID: 10244237Service Bulletin/Repair InstructionsSERVICE BRAKES, HYDRAULIC
- Mfr Comm. #:
- B340714
- Date Added:
- November 1, 2023
- Manufacturer:
- BMW
SummaryFunctional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-
Associated Products (158)Associated Documents - August 1, 2023•Document ID: 10242698Service Bulletin/Repair InstructionsVISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:ROOF AND PILLARS
- Mfr Comm. #:
- B540521
- Date Added:
- September 25, 2023
- Manufacturer:
- BMW
Summary?The sunroof will not operate in either direction.
Associated Products (74)Associated Documents - August 1, 2023•Document ID: 10242691Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320223
- Date Added:
- September 25, 2023
- Manufacturer:
- BMW
Summary?Unusual noises occur only when operating the steering column in the axial direction.
Associated Products (95)Associated Documents - June 1, 2023•Document ID: 10239615Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- B840323
- Date Added:
- July 24, 2023
- Manufacturer:
- BMW
SummaryBMW AG has issued a Delivery Stop (effective February 9, 2023) on certain Model Year 2022 - 2023 BMW vehicles that were produced between June 29, 2022 and February 16, 2023.
Associated Products (24)Associated Documents - June 1, 2023•Document ID: 10239614Service Bulletin/Repair InstructionsVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
- Mfr Comm. #:
- B640821
- Date Added:
- July 24, 2023
- Manufacturer:
- BMW
SummaryThe air conditioning cycles from cold to warm air while driving or while at a stand still. The vent outlet temperatures vary by 25 degrees Fahrenheit or more (38 F to 60 F +) without changing any climate control settings.
Associated Products (97)Associated Documents - June 1, 2023•Document ID: 10239611Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EXTERIOR LIGHTING
- Mfr Comm. #:
- B630821
- Date Added:
- July 24, 2023
- Manufacturer:
- BMW
SummaryHeadlight check control (CC) message 128 "High beam headlight failure" is displayed. The following fault codes are stored during a vehicle test: 80419A - Left high-beam headlight: Short circuit and/or 8041A5 - light outputs: Number of permitted short circuit cycles exceeded
Associated Products (143)Associated Documents - June 1, 2023•Document ID: 10239610Service Bulletin/Repair InstructionsEXTERIOR LIGHTING:TAIL LIGHTS
- Mfr Comm. #:
- B630321
- Date Added:
- July 24, 2023
- Manufacturer:
- BMW
SummaryCondensation is present on the inner surfaces in one or both taillights (circled).
Associated Products (54)Associated Documents - June 1, 2023•Document ID: 10239604Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- B320420
- Date Added:
- July 24, 2023
- Manufacturer:
- BMW
SummaryA groaning type noise is heard during the height adjustment.
Associated Products (74)Associated Documents - June 1, 2023•Document ID: 10239602Service Bulletin/Repair InstructionsFUEL SYSTEM, GASOLINE
- Mfr Comm. #:
- B160123
- Date Added:
- July 24, 2023
- 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 0.5 mm.
Associated Products (139)Associated Documents