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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 671 (Functional Description - Information & Entertainment Systems) >> Information & Entertainment System - Functional Description >> Hi-fi amplifier >> Brief component description >> Microcontroller

Brief component description: Microcontroller

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

The microcontroller contains the central control unit. The microcontroller is responsible for the diagnostic functions and control of the remaining components. The microcontroller is connected to the headunit via the CAN bus. The hi-fi amplifier is switched on and off via the RAD_ON-Leitung.

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