Detach service opening (1).
Disconnect plug connection (1) at vacuum sensor.
Carefully remove vacuum sensor (2) from brake booster in direction of arrow.
Installation note: Check seal in brake booster and replace if necessary.
BMW X3 Service & Repair Manual > Description: Passenger compartment
For location of Front Distribution Box Z1. For amperage and components covered.
LUGGAGE COMPARTMENT
For location of Rear Distribution Box Z2. For amperage and components covered.
FUSE ASSIGNMENT SYMBOL DEFINITIONS
For help determining the meaning of the symbols on fuse assignment legen ...