???Due to an unfavorable operating point primarily in the low-end torque range, the fuel vapor scavenging...
BMW technical service bulletin B121221 for 2018-2021 BMW X3, 2019-2021 BMW 330I and 2017-2021 BMW 530I and others.
- Bulletin number
- B121221
- Component
- Back over prevention
- Summary
- ???Due to an unfavorable operating point primarily in the low-end torque range, the fuel vapor scavenging that takes place in that range may result in incorrect detection of a mixture that is too rich. As a result, an incorrect mixture adaptation value is stored.
Owners of these vehicles have filed 62 complaints in the driver assistance category.
Vehicles covered
- BMW X3 2018-2021 2018201920202021
- BMW 330I 2019-2021 201920202021
- BMW 530I 2017-2021 20172018201920202021
- BMW 540I 2017-2021 20172018201920202021
- BMW M340I 2020-2021 20202021
- BMW 530E 2018-2021 2018201920202021
- BMW 330E 2021 2021
- BMW M550I 2017-2021 20172018201920202021
- BMW 540D 2018-2020 201820192020
- BMW C 400 X 2018 2018
- BMW F800 R 2017 2017
VIN decoder
See the problems and recalls for an exact car
Buying a used BMW X3?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history