Delivery stop N63R and N63M engine - check high temperature coolant system for contamination.
BMW technical service bulletin B111918 for 2019 BMW X5, 2016-2017 BMW 750LI and 2017 BMW M550I.
- Bulletin number
- B111918
- Component
- Engine and engine cooling
- Summary
- DELIVERY STOP N63R AND N63M ENGINE - CHECK HIGH TEMPERATURE COOLANT SYSTEM FOR CONTAMINATION. The engine oil to coolant heat exchanger may have an internal leak resulting in engine oil contamination of the high temperature cooling system.
Owners of these vehicles have filed 64 complaints in the engine category.
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