The belt pulley on the mechanical coolant pump may fracture allowing the engine drive belt to come off the...
BMW technical service bulletin B110521 for 2019-2022 BMW X5, 2019-2022 BMW 330I and 2017-2022 BMW 530I and others.
- Bulletin number
- B110521
- Component
- Engine and engine cooling
- Summary
- The belt pulley on the mechanical coolant pump may fracture allowing the engine drive belt to come off the coolant pump and alternator.
Owners of these vehicles have filed 349 complaints in the engine category.
Vehicles covered
- BMW X5 2019-2022 2019202020212022
- BMW 330I 2019-2022 2019202020212022
- BMW 530I 2017-2022 201720182019202020212022
- BMW M3 2022 2022
- BMW X7 2019-2022 2019202020212022
- BMW 540I 2017-2021 20172018201920202021
- BMW X6 2020-2022 202020212022
- BMW 430I 2021-2022 20212022
- BMW M5 2022 2022
- BMW M340I 2020-2021 20202021
- BMW 530E 2018-2021 2018201920202021
- BMW 330E 2021-2022 20212022
- BMW M550I 2017-2021 20172018201920202021
- BMW R 1250 RT 2022 2022
- BMW M440I 2021-2022 20212022
- BMW 540D 2018-2020 201820192020
- BMW C 400 X 2018 2018
- BMW F800 R 2017 2017
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