The on-board electrical equipment of the BMW X5 series with the E53 body is implemented using a single-wire circuit. The negative terminals of the power sources and consumers are connected by the body "ground", which functions as the second conductor. The nominal supply voltage in the on-board network of the car is +12 V. The power supply of consumers is carried out from a lead-acid battery (AB), recharged from an alternating current generator installed on the engine.
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General information about on-board electrical equipment (BMW X5 E53)
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