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August 1, 2018 Service bulletin

Butt connector for repairing a plug connection

BMW technical service bulletin B170318 for 2013 BMW X5, 2013 BMW 328I and 2013 BMW X3 and others.

Bulletin number
B170318
Component
Electrical system
Summary
Butt connector for repairing a plug connection. The ?top up coolant? message is displayed in the central display (CC message ID 166). When checking the cooling system there are no leaks found and the expansion tank is filled to the proper level.

Owners of these vehicles have filed 231 complaints in the electrical category.

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