BMW X3 Service & Repair Manual: Engine compartment

BMW X3 Service & Repair Manual / Electrical / Description / Engine compartment

Power Distribution Box (Z4) has the following consumers:

Electric Auxiliary Heater
Electric Fan
Electronic Power Steering (EPS)
Dynamic Stability Control (DSC) Return Pump
Fuse U2: Supply Voltage For Electric Fan
Fuse U3: Supply Voltage For DSC Return Pump
Fuse U4: Supply Voltage For Electric Auxiliary Heater

Electrical

NOTE: Power Distribution Box Z8 (Fuse block on the battery ) contains fuses and relays. If one of the fuses or one of the relays is faulty, the complete power distribution box must be replaced.

Power Distribution Box (Z8) has the following consumers:

Power distribution box at front in the junction box (passenger compartment)
Power distribution box, rear (luggage compartment)
Electronics box in engine compartment for Valvetronic, common rail (fuel injection for diesel fuel)
Top HiFi amplifier
Intelligent battery sensor (IBS)

Electrical

Description

WARNING: Vehicles are equipped with air bag supplemental restraint system. Before attempting any repairs involving steering column, instrument pan ...

Passenger compartment

For location of Front Distribution Box Z1. For amperage and components covered. LUGGAGE COMPARTMENT For location of Rear Distribution Box Z2 ...

Other materials:

BMW X3 Owners Manual > Active Cruise Control with Stop & Go function, ACC: Malfunction
The system cannot be activated if the radar sensor is not aligned correctly. This may be caused by damage incurred during parking, e.g. A Check Control message is displayed if the system fails. The function for detecting and responding when approaching stationary vehicles may be limited ...