Check coolant level.
BMW technical service bulletin B170119 for 2016-2017 BMW 750LI, 2018 BMW M5 and 2019 BMW M850I.
- Bulletin number
- B170119
- Component
- Engine and engine cooling
- Summary
- SERVICE ACTION: CHECK COOLANT LEVEL. The filling procedure at the factory could have set the engine coolant level in the expansion tank to below the minimum level.
Owners of these vehicles have filed 4 complaints in the engine category.
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