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Service bulletin B160420

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 id10184574
Published by NHTSA2020-12-21
Manufacturer's numberB160420
Manufacturer's date2020-11-01
NHTSA componentFUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

TANK VENTILATION DIAGNOSIS: There is software error in the diagnosis of the fuel tank ventilation valve. This error may result in the Service Engine Soon (MIL) light not being activated if a fault is found in the tank vent system after a second fault detection.

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

Electrical system, Fuel system, Software

Vehicles listed
BMW M52018, 2019, 2020, 2021
BMW M82020, 2021
BMW M8 GRAN COUPE2020
BMW X32019, 2020, 2021
BMW X52018
BMW X52020, 2021
BMW X62021
BMW X6 M2020

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

Recalls for the same vehicles and component
20V4430002020-07-29. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM:SOFTWARE
18V3230002018-05-16. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

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
B6103212024-03-02. Service bulletin. 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.
B2402232023-07-24. Service bulletin. BMW AG has issued an Emissions Recall (effective March 17, 2023) on a certain Model Year 2021 - 2023 BMW vehicles that were produced between June 16, 2020, and December 13, 2022. Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
B0902212023-07-24. Service bulletin. With the introduction of the BMW Remote Software Upgrade, all Service Pack 18 vehicles and partial Service Pack 15 vehicles may receive new functionality or modifications in their features.
B6203222022-12-12. Service bulletin. After programming, the customer may complain that the Sport Mode display is not fully displayed in the instrument cluster. Instead of a red background in sport mode, the background is displayed in blue (like ECO PRO mode).
SIB0901212022-07-18. Service bulletin. BMW offers a new special ISTA Installation made available for Roadside Assistance / Mobile Service technicians. The new ISTA Version is also able to be used in case of a Remote Software Upgrade (RSU) programming failure to get the customer car reprogrammed on site. In case of a Remote Software Upgrade failure, the engine start is prevented for safety reasons until the vehicle is programmed correctly. Most of the errors occur when only one control unit fails to program correctly.
B6202222022-05-31. Service bulletin. Sport mode is not displayed correctly in the instrument cluster. Instead of a red background in sport mode, the background is displayed in blue (like in Eco Pro mode). Software in the instrument cluster (Kombi).
B8404212022-01-24. Service bulletin. Wi-Fi Hotspot is missing and inoperable.
B6520212022-01-24. Service bulletin. BMW AG has issued a Delivery Stop (effective October 25, 2021) on certain Model Year 2022 BMW vehicles that were produced after October 25, 2021. Due to supply chain limitations, certain vehicles were produced without a CID with touch function and without Reversing Assistant.
B6116212021-12-20. Service bulletin. The "energy management" Check control message (ID code 415) is falsely displayed when entering the vehicle.
SIB 62 03 212021-10-25. Service bulletin. When the vehicle is operated in Sport Mode, the engine speed is no longer displayed in the BMW Head-Up Display (HUD).