# Service bulletin B840323

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: 10238093
- Published by NHTSA: 2023\-06\-26
- Manufacturer's number: B840323
- Manufacturer's date: 2023\-05\-01
- NHTSA component: ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE

## NHTSA's summary

BMW 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. This was originally called ""Wireless Charging Tray"". Software in potentially affected vehicles may not recognize the removal of the digital key \(Key Card or mobile phone\) from the wireless charging tray, and thereby not meeting a federal requirement."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10238093-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10238093-9999.pdf)

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

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- 2023 BMW 230I
- 2020 to 2022 BMW 840I
- 2020 to 2023 BMW M8
- 2020 BMW M8 GRAN COUPE
- 2019 BMW M850I
- 2020 to 2022 BMW M850I
- 2019 BMW M850XI
- 2019 to 2023 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
- [24V576000](/recalls/nhtsa/24V576000.md), 2024-08-01: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:STARTER ASSEMBLY
- [23V099000](/recalls/nhtsa/23V099000.md), 2023-02-17: ELECTRICAL SYSTEM:SOFTWARE; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
- [20V761000](/recalls/nhtsa/20V761000.md), 2020-12-09: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- [19V883000](/recalls/nhtsa/19V883000.md), 2019-12-11: ELECTRICAL SYSTEM:WIRING; POWER TRAIN:AUTOMATIC TRANSMISSION

## 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.
- [B652025](/bulletins/11032744.md), 2026-05-18, Service bulletin: ELECTRICAL SYSTEM. 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.
- [B120326](/bulletins/11030061.md), 2026-03-13, Emissions: ELECTRICAL SYSTEM. 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.
- [B840625](/bulletins/11024211.md), 2025-10-09, Service bulletin: ELECTRICAL SYSTEM. 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.
- [B521125](/bulletins/11022110.md), 2025-08-24, Service bulletin: SEATS; ELECTRICAL SYSTEM. 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 the vehicle had been programmed to I level S18A\- 25\-07\-520 and higher; upto, but not including S18A\- 25\-07\-551.
- [B810424](/bulletins/10253731.md), 2024-05-03, Service bulletin: ELECTRICAL SYSTEM. Certain vehicles with a Wireless Charging Tray installed may experience operation issues with ComfortAccess or remote functions.
- [B610321](/bulletins/10250893.md), 2024-03-02, Service bulletin: ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER; ELECTRICAL SYSTEM:SOFTWARE. SITUATION BMW AG is conducting a Voluntary Emissions Recall \(effective April 23, 2021\) on a certain Model Year 2020 \- 2021 BMW vehicles that were produced between August 13, 2019 and December 11, 2020. Do not deliver to a customer, a New, Certified Pre\-Owned or Used vehicle subject to an emissions recall, until the vehicle is repaired. Do not use or sell replacement equipment/parts subject to an emissions recall. The 12 V battery’s dual storage system \(DSS\) may contain a software error which intermittently causes a continuous resetting of the microcontroller and communication failure. The error is displayed by a red Check Control message.
- [B660720](/bulletins/10250601.md), 2024-03-02, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. The functionality of the left rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
- [B660820](/bulletins/10250600.md), 2024-03-02, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. The functionality of the right rear SRR sensor could be reduced which would display the "Driving Assistance"\- Check Control Message.

JSON: [/v1/bulletins/10238093](/v1/bulletins/10238093)

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