Active cruise control - unexpected deceleration
BMW technical service bulletin B661520 for 2019-2021 BMW X5, 2019-2021 BMW 330I and 2017-2021 BMW 530I and others.
- Bulletin number
- B661520
- Component
- Vehicle speed control: cruise control
- Summary
- ACTIVE CRUISE CONTROL - UNEXPECTED DECELERATION: Vehicle slows down (decelerates) unexpectedly while Active Cruise Control with Stop & Go (ACC) function is activated.
Owners of these vehicles have filed 26 complaints in the acceleration category.
Vehicles covered
- BMW X5 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 M5 2018-2021 2018201920202021
- BMW M340I 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 840I 2020-2021 20202021
- BMW M8 2020-2021 20202021
- 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