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January 1, 2013 Service bulletin

RAD2plus: Radio Causes Battery Drain

BMW technical service bulletin 652012 for 2010-2013 BMW 328I, 2010-2013 BMW Z4 and 2010-2013 BMW 335I and others.

Bulletin number
652012
Component
Equipment: electrical: radio/tape deck/cd etc.
Summary
RAD2plus: Radio Causes Battery Drain. The vehicle's battery state of charge is very low after the vehicle was parked for a longer period of time (e.g., overnight). The RAD2+ radio doesn't allow the vehicle to enter full sleep mode, and causes a current draw from the battery with ignition off.

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