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Home >> BMW >> 2011 >> 335i 4D Sedan, Standard >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Restraint System - Functional Description -- E90 >> Restraints System - Functional Description >> Multiple Restraint System (MRS) >> TCU: Telematics control unit

TCU: Telematics control unit

With the corresponding accident severity, the MRS control unit sends a signal to the Telematic Control Unit via the instrumentation bus (I-bus). The Telematic Control Unit automatically initiates an emergency call which also contains the location of the vehicle.

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