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March 1, 2019 Service bulletin

Phone call audio autonomously switch from vehicle to phone.

BMW technical service bulletin B840219 for 2012-2016 BMW 328I, 2018-2019 BMW X3 and 2017 BMW 330I and others.

Bulletin number
B840219
Component
Electrical system
Summary
PHONE CALL AUDIO AUTONOMOUSLY SWITCH FROM VEHICLE TO PHONE. During an active phone call the call audio autonomously switches from the vehicle hands-free system to the phone.

Owners of these vehicles have filed 549 complaints in the electrical category.

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