BMW 3: Entertainment

 Operating temperature

The positions of the rotary valve at engine operating temperature are shown by area C of the heat management module circuit diagram. Operating temperature The graphic shows control with the engine at operating temperature. The position of the rotary valve means that the cross-sections of the resp

 Power electronics in the convenience charging electronics

The power electronics for the conversion of the AC voltage from the charging socket to direct current voltage, which is required for charging the high-voltage battery unit, are housed in the convenience charging electronics. The AC voltage is supplied as a single phase. The input voltage, which c