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Service bulletin B160423

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10241365
Published by NHTSA2023-08-28
Manufacturer's numberB160423
Manufacturer's date2023-07-01
NHTSA componentFUEL SYSTEM, GASOLINE; AIR BAGS; ELECTRICAL SYSTEM

NHTSA's summary

BMW AG has issued a Delivery Stop (effective July 12, 2023) on certain Model Year 2023 - 2024 BMW vehicles that were produced between July 21, 2022, and July 11, 2023. A software logic error in the diagnostic module for tank leaks (DMTL) could cause the Service Engine Soon light (MIL) to not turn on when there is an electrical fault with pump or diverter valve for the DMTL even after several driving cycles with the fault/s being currently present.

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

Air bags, Electrical system, Fuel system

Vehicles listed
BMW X52023
BMW XM2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
23V6220002023-09-07. AIR BAGS
23V4710002023-07-10. AIR BAGS:KNEE BOLSTER

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B1206262026-07-03. Service campaign. In these vehicles with an S68 engine, an incorrect diagnosis of the Valvetronic (VVT) may occur. Undercertain operating conditions, the software may detect a short-circuit in the valve control system even thoughthere is no fault. When the above-mentioned fault occurs, the red Check Control warning light ‘Drive system fault’ illuminates.This can result in the intake valves closing gradually, which may lead to misfires while the engine is running.
B6527242026-06-01. Service bulletin. A check control message (CCM) for the restraint system (Air bag) appears. In the instrument cluster, the redair bag warning light lights up permanently. One of the following fault codes is stored in the ACSM (air bag control unit): 930949 - Knee airbag, driver: Short circuit to negative terminal 93094F - Knee airbag, front passenger: Short circuit to negative terminal 93094C - Knee airbag driver's side: Resistance too great 930952 - Knee airbag, front passenger: Resistance too great
B6520252026-05-18. Service bulletin. After replacing the Multifunctional Display (MFD), the Central Information Display (CID) is black. The backlight of the CID is illuminated, and touch function does register an audible sound.
B1203262026-03-13. Emissions. BMW AG is conducting Voluntary Emissions Recall (effective March 11, 2026) on certain Model Year 2023 -2026 BMW vehicles that were produced between January 14, 2022, and September 16, 2025.
B6527242025-12-01. Service bulletin. A check control message (CCM) for the restraint system (Air bag) appears. In the instrument cluster, the redair bag warning light lights up permanently. One of the following fault codes is stored in the ACSM (air bag control unit): 930949 - Knee airbag, driver: Short circuit to negative terminal 93094F - Knee airbag, front passenger: Short circuit to negative terminal 93094C - Knee airbag driver's side: Resistance too great 930952 - Knee airbag, front passenger: Resistance too great
B6119252025-11-03. Service bulletin. RSU availability. The malfunction indicator lamp (MIL) is triggered by the erroneous fault code 031BFC- AC charging,charging electronics 2, internal fault: No internal capacitor discharge stored in the CCU. However, AC charging is operating as designed without a charging concern or issue. Affected PHEV vehicles have the CCU-03 (7.4 kW / 11 kW) with I-levels from 24-07-500 to 25-11-5xx
B8406252025-10-09. Service bulletin. In some situations, an emergency call may be triggered in the vehicle without either the customer pressing the SOS Call button, or an airbag deployment event. In some cases, the customer may not even be inside the vehicle.
B6306252025-09-03. Service bulletin. The headliner light partially/does not illuminate.
B1207252025-07-28. Emissions. 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.
B3404252025-06-17. Emissions. 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.