Replace all the ignition coils
BMW technical service bulletin B121320 for 2019-2021 BMW X5, 2017-2021 BMW 530I and 2016-2019, 2021 BMW 750LI and others.
- Bulletin number
- B121320
- Component
- Equipment
- Summary
- REPLACE ALL THE IGNITION COILS: The ignition coils may not have been produced to specifications which could lead to irregular running of the engine. A manufacturing defect affecting the ignition coil insulation.
Vehicles covered
- BMW X5 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 2021 2021
- BMW 750I 2018-2019 20182019
- BMW 740I 2017-2021 20172018201920202021
- BMW 530E 2018-2021 2018201920202021
- BMW 740LI 2016-2017 20162017
- BMW M550I 2017-2021 20172018201920202021
- BMW 840I 2020-2021 20202021
- BMW 540D 2018-2020 201820192020
- BMW 740E 2017-2019 201720182019
- BMW M850I 2020-2021 20202021
- BMW X6 M 2020 2020
- BMW M760I 2017-2021 20172018201920202021
- BMW B7 Alpina 2018-2021 2018201920202021
- BMW 745E 2020 2020
- BMW M8 Gran Coupe 2020 2020
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