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December 12, 2025 Service bulletin

Coolant is leaking from the oil filter housing.

BMW technical service bulletin B111025 for 2025 BMW X3, 2025 BMW 330I and 2025 BMW 530I and others.

Bulletin number
B111025
Component
Engine
Summary
Coolant is leaking from the oil filter housing.

Owners of these vehicles have filed 9 complaints in the engine category.

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