No complaints are listed for the 2021 BMW 840I. NHTSA's API and bulk file list none in this build.
Data build 2026-10-09.
NHTSA lists this vehicle as BMW 840I.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
4 recalls.
Date: 2025-09-25. Systems: ELECTRICAL SYSTEM.
Defect: BMW of North America, LLC (BMW) is recalling certain 2020 340I, X6, 2020-2025 840I, 2020-2022 740LI, 2019-2020 X7, and X5 vehicles. After repeated attempts, the starter motor may overheat from an electrical overload. (excerpt)
Consequence: An overheated starter motor can ignite nearby combustible material in the engine compartment, increasing the risk of a fire. (excerpt)
Remedy: Dealers will replace the engine starter, free of charge. This recall includes vehicles repaired under recall 24V576 and those owners will need to have their vehicle repaired again. Owner notification letters were mailed February 9, 2026. Owners may contact BMW customer service at 1-800-525-7417. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov November (excerpt)
Do not drive: No. Park outside: No.
Date: 2021-02-19. Systems: BACK OVER PREVENTION.
Defect: BMW of North America, LLC (BMW) is recalling certain 2019-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, X4 xDrive30i, X4 M40i, M550i, X4M, X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5M, X5 M50i, X7 xDrive40i, X7 xDrive50i, X7 M50i, Alpina XB7, 330i, 330i xDrive, M340i, M340i xDrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i xDrive, M850i xDrive, M8, 2020-2021 530e, 530e xDrive, (excerpt)
Consequence: If the driver relies on only the rearview camera image, the missing or reduced rearview image view can increase the risk of a crash or injury. (excerpt)
Remedy: BMW will notify owners, and dealers will inspect the rearview camera software and update it if necessary, free of charge. The recall began April 16, 2021. Owners may contact BMW customer service at 1-800-525-7417. (excerpt)
Do not drive: No. Park outside: No.
Date: 2021-02-10. Systems: SERVICE BRAKES, HYDRAULIC.
Defect: BMW of North America, LLC (BMW) is recalling certain 2020-2021 8 Series Coupe, Grand Coupe and convertible 840i, 840i xDrive, M850i xDrive, M8 and 740 Li, 740 Li xDrive, 750 Li xDrive, M760 Li xDrive, X6 sDrive40i, X6 xDrive40i, X6 xdrive50i, X6 M50i, X6M, and 2019-2021 X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5 M50i, X5M, X7 xDrive40i, X7 xDrive50i, X7 M50i, and 2021 M3, M3 Competition, M4 Coup (excerpt)
Consequence: A loss of ABS and a reduction in braking assistance can increase the risk of a crash. (excerpt)
Remedy: BMW will notify owners, and dealers will replace the integrated brake system, free of charge. Owner notification letters were mailed on May 25, 2021. Owners may contact BMW customer service at 1-800-525-7417. (excerpt)
Do not drive: No. Park outside: No.
Date: 2020-12-09. Systems: ELECTRICAL SYSTEM.
Defect: BMW of North America, LLC (BMW) is recalling certain 2021 M340i xDrive, M440i xDrive Coupe, 530i, 530i xDrive, 540i, 540i xDrive, 740Li, 740Li xDrive, 840i Gran Coupe, 840i xDrive Gran Coupe, X5 sDrive40i, X5 xDrive40i, X6 sDrive40i, X6 xDrive40i, and X7 xDrive40i vehicles. The connection between the 48-Volt battery and the starter-generator may not have been assembled properly, which can cause i (excerpt)
Consequence: Increased electrical resistance can increase the risk of a fire. (excerpt)
Remedy: BMW will notify owners, and dealers will inspect the connection between the 48-Volt battery and the starter-generator assembly, replacing it if necessary, free of charge. The recall is expected to begin April 12, 2021. Owners may contact BMW customer service at 1-800-525-7417. (excerpt)
Do not drive: No. Park outside: No.
Manufacturer communications
125 manufacturer communications.
Communications by system| System | Count |
|---|
| EQUIPMENT | 56 |
|---|
| ELECTRICAL SYSTEM | 41 |
|---|
| STEERING | 15 |
|---|
| STRUCTURE | 9 |
|---|
| EQUIPMENT ADAPTIVE/MOBILITY | 8 |
|---|
| BACK OVER PREVENTION | 7 |
|---|
| SEATS | 7 |
|---|
| VISIBILITY | 7 |
|---|
11035500
Date: 2026-07-17. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, ENGINE.
The manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate.
11032729
Date: 2026-05-06. Type: Warranty Program/Extension. Systems: ENGINE.
The 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.
11022110
Date: 2025-08-21. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, SEATS.
If 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 t
10249437
Date: 2024-01-16. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, VISIBILITY.
The basic conditions for initializing the power windows are not met.
10249027
Date: 2024-01-11. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
The 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 A A?A A A A discharged batteryA A?A A A A compl
10249018
Date: 2024-01-08. Type: Service Bulletin/Repair Instructions. Systems: STEERING.
At 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 vide
10249015
Date: 2024-01-05. Type: Service Bulletin/Repair Instructions. Systems: FUEL SYSTEM, GASOLINE.
A 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
10249032
Date: 2024-01-05. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, EQUIPMENT.
The Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3). FaultB7F8F9 A A A A A A A A?A A A A A A A A A A A A A A A A A A A A A A A A?A A A A A A A A A A A A A A A A HU-H: ResetA A A A A A A A?A A A A A A A A A A A A A A A A will be stored in the HU-H3.
10249017
Date: 2024-01-04. Type: Service Bulletin/Repair Instructions. Systems: STEERING.
SITUATION 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 no
10249023
Date: 2024-01-02. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, SEATS.
Customer 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.