# Service bulletin B121619

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: 10161554
- Published by NHTSA: 2019\-06\-24
- Manufacturer's number: B121619
- Manufacturer's date: 2019\-05\-01
- NHTSA component: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

ERRONEOUS ELECTRIC FAN FUNCTION FAULT STORED IN THE DME. The following faults may be erroneously stored in the Digital Motor Electronics \(DME\): And: There is no customer\-facing vehicle symptom\(s\) or related check control message displayed. A software error may cause these faults to be erroneously stored in the Digital Motor Electronics \(DME\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10161554-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10161554-9999.pdf)

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

## Components

Electrical system, Engine, Software

## Vehicles listed

- 2018 BMW 530E
- 2017 to 2018 BMW 530I
- 2018 BMW 540D
- 2017 BMW 540I
- 2018 BMW 640I
- 2017 BMW 740E
- 2017 BMW 740I
- 2016 to 2017 BMW 740LI
- 2016 to 2017 BMW 750LI
- 2018 BMW C 400 X
- 2017 BMW F800 R
- 2017 BMW M550I
- 2017 BMW M760I
- 2018 to 2019 BMW X3
- 2019 BMW X4

## Other bulletins for the same vehicles and component

- [B090221](/bulletins/10239599.md), 2023-07-24, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. 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.
- [B620322](/bulletins/10227566.md), 2022-12-12, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE. 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 \(like ECO PRO mode\).
- [SIB090121](/bulletins/10215750.md), 2022-07-18, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE. 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.
- [B620222](/bulletins/10212797.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. 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 \(Kombi\).
- [B840421](/bulletins/10206691.md), 2022-01-24, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Wi\-Fi Hotspot is missing and inoperable.
- [B611621](/bulletins/10205095.md), 2021-12-20, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. The "energy management" Check control message \(ID code 415\) is falsely displayed when entering the vehicle.
- [SIB120421](/bulletins/10204620.md), 2021-12-13, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. A software optimization affecting vehicle performance has been made available.
- [SIB 62 03 21](/bulletins/10202474.md), 2021-10-25, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. When the vehicle is operated in Sport Mode, the engine speed is no longer displayed in the BMW Head\-Up Display \(HUD\).
- [B840221](/bulletins/10200249.md), 2021-08-09, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM:SOFTWARE. The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G \(Telematics ControlModule\) can no longer be supported by the cellular network provider starting February 2022. The decision to phase out 3G network technology was made at the discretion of the respective cellular carriers and lies beyond the control of BMW. Due to the phase\-out, BMW Assist and ConnectedDrive services will no longer be supported after this date.
- [B651121](/bulletins/10200247.md), 2021-08-09, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. SiriusXM satellite radio is not working and does not display a channel list.

JSON: [/v1/bulletins/10161554](/v1/bulletins/10161554)

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