Coolant leak from low temperature cooling circuit (N63R)
BMW technical service bulletin B170617 for 2019 BMW X5, 2017-2018 BMW 530I and 2016-2017 BMW 750LI and others.
- Bulletin number
- B170617
- Component
- Engine and engine cooling
- Summary
- COOLANT LEAK FROM LOW TEMPERATURE COOLING CIRCUIT (N63R): Coolant leaking from the engine compartment. Traces of coolant leaking from the expansion tank of the low temperature cooling system. Coolant in the low temperature cooling circuit may also have an acrid smell and discoloration.
Owners of these vehicles have filed 98 complaints in the engine category.
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