Head unit resets with fault code B7F8F9 reset watchdog
BMW technical service bulletin B650919 for 2019-2021 BMW X5, 2018-2021 BMW X3 and 2019-2021 BMW Z4 and others.
- Bulletin number
- B650919
- Component
- Equipment
- Summary
- HEAD UNIT RESETS WITH FAULT CODE B7F8F9 RESET WATCHDOG: Customer states the following about their vehicle: Active radio or music source is interrupted. The navigation is no longer available. A black screen is shown in the Control Display.
Vehicles covered
- BMW X5 2019-2021 201920202021
- BMW X3 2018-2021 2018201920202021
- BMW Z4 2019-2021 201920202021
- BMW 330I 2019-2021 201920202021
- BMW 530I 2017-2021 20172018201920202021
- BMW 750LI 2016-2019, 2021 20162017201820192021
- BMW X7 2019-2021 201920202021
- BMW 540I 2017-2021 20172018201920202021
- BMW X6 2020-2021 20202021
- BMW 750I 2018-2019 20182019
- BMW 740I 2017-2021 20172018201920202021
- BMW 430I 2021 2021
- BMW M5 2018-2021 2018201920202021
- BMW X4 2019-2021 201920202021
- BMW M340I 2020-2021 20202021
- BMW 228I 2020-2021 20202021
- BMW 530E 2018-2021 2018201920202021
- BMW 330E 2021 2021
- BMW 740LI 2016-2017 20162017
- BMW M550I 2017-2021 20172018201920202021
- BMW 640I 2018-2020 201820192020
- BMW M235I 2020-2021 20202021
- BMW 840I 2020-2021 20202021
- BMW M440I 2021 2021
- BMW M8 2020-2021 20202021
- BMW R 1250 GS Adventure 2021 2021
- BMW 540D 2018-2020 201820192020
- BMW 740E 2017-2019 201720182019
- BMW M850I 2019-2021 201920202021
- BMW X6 M 2020 2020
- BMW M760I 2017-2021 20172018201920202021
- BMW C 400 X 2018 2018
- BMW F800 R 2017 2017
- BMW B7 Alpina 2018-2021 2018201920202021
- BMW 745E 2020 2020
- BMW M8 Gran Coupe 2020 2020
VIN decoder
See the problems and recalls for an exact car
Buying a used BMW X5?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history