BMW X3 Service & Repair Manual: 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


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)

WARNING: Vehicles are equipped with air bag supplemental restraint
system. Before attempting any repairs involving steering column, instrument
pan ...
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 Service & Repair Manual > Rear axle: Washer
Washer Minimum set: Mechanical tools AM
NOTE:
For installing ball joint in rear wheel carrier (bottom camber control arm),
Storage Location
C30
SI number
01 22 11 (753)
Washer AM
NOTE:
For counter support when pulling in Only available via complete tool set 33 3
120 = 83 30 0 492 228 - ...