# Service bulletin SIB640921

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: 10214265
- Published by NHTSA: 2022\-06\-21
- Manufacturer's number: SIB640921
- Manufacturer's date: 2022\-04\-01
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

On these Plug\-in Hybrid Electric Vehicles \(PHEV\), the air conditioning cycles from cold to warm air while driving or while at a standstill. The vent outlet temperatures vary by 25 degrees Fahrenheit or more \(38F to 60F \+; 3 to 15 \+ Celsius\) without changing any climate control settings.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214265-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214265-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2021 to 2022 BMW 330E
- 2019 to 2022 BMW 330I
- 2020 to 2022 BMW M340I
- 2019 to 2020 BMW X4
- 2019 to 2022 BMW X5
- 2021 to 2022 BMW X5 HYBRID
- 2019 to 2022 BMW X6
- 2019 to 2020 BMW X6 M
- 2019 to 2022 BMW X7
- 2021 BMW XB7
- 2022 BMW Z4

## Recalls for the same vehicles and component

- [26V056000](/recalls/nhtsa/26V056000.md), 2026-01-30: ELECTRICAL SYSTEM:STARTER ASSEMBLY
- [25V644000](/recalls/nhtsa/25V644000.md), 2025-09-25: ELECTRICAL SYSTEM:STARTER ASSEMBLY
- [2025499](/recalls/tc/2025499.md), 2025-09-23: Electrical
- [25V636000](/recalls/nhtsa/25V636000.md), 2025-09-23: ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
- [2024444](/recalls/tc/2024444.md), 2024-08-01: Electrical
- [24V576000](/recalls/nhtsa/24V576000.md), 2024-08-01: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:STARTER ASSEMBLY
- [23V584000](/recalls/nhtsa/23V584000.md), 2023-08-16: ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS
- [23V099000](/recalls/nhtsa/23V099000.md), 2023-02-17: ELECTRICAL SYSTEM:SOFTWARE; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
- [21V520000](/recalls/nhtsa/21V520000.md), 2021-07-08: AIR BAGS:FRONTAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [2020605](/recalls/tc/2020605.md), 2020-12-10: Electrical

## Other bulletins for the same vehicles and component

- [B110426](/bulletins/11035500.md), 2026-08-03, Service bulletin: ENGINE; ELECTRICAL SYSTEM. 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.
- [B840226](/bulletins/11035408.md), 2026-07-31, Service campaign: ELECTRICAL SYSTEM. Once the Telematics Module \(TCB2\) enters sleep mode, a BMW Data Services trigger for Remote Services\(remote engine start, lock/unlock/climate conditioning\) will not be able to reactivate the TCB2. Due to this issue, Remote Services will not function in the vehicle when parked and locked.
- [B630625](/bulletins/11022360.md), 2025-09-03, Service bulletin: ELECTRICAL SYSTEM. The headliner light partially/does not illuminate.
- [B120725](/bulletins/11019556.md), 2025-06-17, Service campaign: ELECTRICAL SYSTEM. A quality check revealed that the DME in these vehicles has a programming error. This results in a deviation of the fuel\-air mixture in the internal combustion engine.
- [B120425](/bulletins/11019554.md), 2025-06-17, Emissions: ELECTRICAL SYSTEM. EMISSIONS RECALL 25E\-A02: PROGRAM CONTROL UNITS
- [B340425](/bulletins/11017300.md), 2025-04-29, Service campaign: ELECTRICAL SYSTEM. As a result of a data input error, certain fault memories are permanently stored. The permanent storage offault memories does not comply with the legal specifications of the authority \(California Air Resources Board– CARB\). The fault has no effect on the use of the vehicle by the customer.
- [B120425](/bulletins/11017273.md), 2025-04-28, Service campaign: ELECTRICAL SYSTEM. As a result of a data input error, certain fault memories are permanently stored. The permanent storage offault memories does not comply with the legal specifications of the authority \(California Air Resources Board– CARB\). The fault has no effect on the use of the vehicle by the customer.
- [B720225](/bulletins/11017100.md), 2025-04-18, Warranty extension: AIR BAGS; ELECTRICAL SYSTEM. The Supplemental Restraint Systems \(SRS\) Front Passenger’s Seat Occupancy Capacitive Interior Sensor \(CIS\) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in\-service / first delivery date.
- [B720325](/bulletins/11017099.md), 2025-04-18, Warranty extension: ELECTRICAL SYSTEM; AIR BAGS. The Supplemental Restraint Systems \(SRS\) Front Passenger’s Seat Occupancy Capacitive Interior Sensor \(CIS\) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in\-service / first delivery date.
- [B011624](/bulletins/11013037.md), 2025-01-23, Warranty extension: ELECTRICAL SYSTEM. The Telematics Control Units \(TCU\) Internal Emergency \(Backup\) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in\-service / delivery date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty.

JSON: [/v1/bulletins/10214265](/v1/bulletins/10214265)

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