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Service bulletin B840818

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 id10143570
Published by NHTSA2018-08-06
Manufacturer's numberB840818
Manufacturer's date2018-05-01
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM

NHTSA's summary

HEAD UNIT HIGH 2 RESET WHILE BLUETOOTH IS CONNECTED: The following event may cause an unexpected reset of the Head Unit High 2 (NBT EVO) when:

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, Software

Vehicles listed
BMW 228I2014, 2015, 2016
BMW 230I2017, 2018
BMW 320I2012
BMW 320I2013, 2014, 2015, 2016, 2017, 2018
BMW 328D2014, 2015, 2016, 2017, 2018
BMW 328I2012, 2013, 2014, 2015, 2016
BMW 330E2016, 2017, 2018
BMW 330I2017, 2018
BMW 335I2012, 2013, 2014, 2015, 2016
BMW 340I2016, 2017, 2018
BMW 428I2014, 2015, 2016
BMW 430I2017, 2018
BMW 435I2014, 2015, 2016
BMW 440I2017, 2018
BMW 530E2018
BMW 530I2017, 2018
BMW 540D2018
BMW 540I2017, 2018
BMW 640I2012, 2013, 2014, 2015, 2016, 2017, 2018
BMW 650I2012, 2013, 2014, 2015, 2016, 2017, 2018
BMW 740LE2017 to 2018
BMW 740LI2016 to 2018
BMW 750LI2016 to 2018
BMW I32014, 2015, 2016, 2017, 2018
BMW I82014, 2015, 2016, 2017
BMW M22016, 2017, 2018
BMW M235I2014, 2015, 2016
BMW M240I2017, 2018
BMW M32015, 2016, 2017, 2018
BMW M42015, 2016, 2017, 2018
BMW M550I2018
BMW M62012, 2013, 2014, 2015, 2016, 2017, 2018
BMW M760LI2017 to 2018
BMW X32011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
BMW X42015, 2016, 2017, 2018
BMW X52014, 2015, 2016, 2017, 2018
BMW X5 M2018
BMW X62015, 2016, 2017, 2018
BMW X6 M2018

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

Other bulletins for the same vehicles and component
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.
B6116212021-12-20. Service bulletin. The "energy management" Check control message (ID code 415) is falsely displayed when entering the vehicle.
SIB1204212021-12-13. Service bulletin. A software optimization affecting vehicle performance has been made available.
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).
B8402212021-08-09. Service bulletin. 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.
B6511212021-08-09. Service bulletin. SiriusXM satellite radio is not working and does not display a channel list.