Service bulletin B640821
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10239614 |
| Published by NHTSA | 2023-07-24 |
| Manufacturer's number | B640821 |
| Manufacturer's date | 2023-06-01 |
| NHTSA component | VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM |
NHTSA's summary
The 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.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Glass, wipers and mirrors, Heating and air conditioning
| BMW 530E | 2018, 2019, 2020, 2021, 2022, 2023 |
|---|---|
| BMW 530I | 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| BMW 540D | 2018, 2019 |
| BMW 540D | 2020 |
| BMW 540I | 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| BMW 640I | 2018, 2019 |
| BMW 640I | 2020 |
| BMW 740E | 2017, 2018, 2019 |
| BMW 740I | 2017, 2018, 2019, 2020, 2021 |
| BMW 740I | 2022 |
| BMW 740LI | 2016 to 2017 |
| BMW 745E | 2020, 2021 |
| BMW 745E | 2022 |
| BMW 750I | 2018, 2019 |
| BMW 750LI | 2016 to 2021 |
| BMW 750LI | 2022 |
| BMW 840I | 2020, 2021, 2022 |
| BMW ALPINA XB7 | 2021 to 2023 |
| BMW B7 ALPINA | 2018 to 2021 |
| BMW M5 | 2018, 2019, 2020, 2021, 2022 |
| BMW M550I | 2017 |
| BMW M550I | 2018, 2019, 2020, 2021, 2022, 2023 |
| BMW M760I | 2017, 2018, 2019, 2020, 2021 |
| BMW M760I | 2022 |
| BMW M760LI | 2021 |
| BMW M760LI | 2022 |
| BMW M8 | 2020, 2021, 2022, 2023 |
| BMW M8 GRAN COUPE | 2020 |
| BMW M850I | 2019 |
| BMW M850I | 2020, 2021, 2022 |
| BMW M850XI | 2019 |
| BMW X5 | 2019, 2020, 2021, 2022, 2023 |
| BMW X6 | 2020, 2021, 2022 |
| BMW X6 M | 2020 |
| BMW X7 | 2019, 2020, 2021, 2022, 2023 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 23V099000 | 2023-02-17. ELECTRICAL SYSTEM:SOFTWARE; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS |
|---|---|
| 22V820000 | 2022-11-02. VISIBILITY:WINDSHIELD |
| 22V267000 | 2022-04-20. VISIBILITY:SUN/MOON ROOF ASSEMBLY |
| 2021078 | 2021-02-18. Visual System |
| 2019480 | 2019-10-01. Visual System |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| B630418 | 2025-07-28. Service bulletin. One or more of the LED daytime running lights are dim or discolored. |
|---|---|
| B510224 | 2024-04-01. Service bulletin. A squeaking sound is heard when folding either of the exterior mirrors assemblies in or out. |
| B510819 | 2024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met. |
| B612823 | 2023-12-06. Service bulletin. A thumping sound is heard when the window reaches the closing end stop. |
| B540421 | 2023-11-01. Service bulletin. This situation can result in two customer complaints: 1. Wind noise 2. Excess water entry |
| B540521 | 2023-09-25. Service bulletin. ?The sunroof will not operate in either direction. |
| B540123 | 2023-09-25. Service bulletin. ?Water leaking into the vehicle from the headliner/microphone area. |
| B650222 | 2023-09-18. Service bulletin. A check control message (CCM) for the restraint system (Air bag) appears. |
| B511722 | 2023-06-26. Service bulletin. Due to the semiconductor supply, the Local Interconnect Network module in either of the exterior mirrors was switched to another controller. That one provides an imprecise voltage measurement, which the main controller interprets as a fault. |
| B510823 | 2023-06-26. Service bulletin. Upon opening or closing (i.e., folding in or out) the exterior mirror assembly, a creaking sound is heard from either the driver and/or passenger side. |