Necessary preliminary tasks:
Unlock connector (1) and remove.
Unfasten screws (2).
Pull out the vacuum pressure sensor (3) from the intake plenum.
Installation note:
Check sealing ring for damage. Replace damaged sealing ring.
When installing, coat sealing ring with suitable lubricant.
NOTE: Reassemble the vehicle.
Check stored fault message.
Delete fault memory.
BMW X3 Owners Manual > Front-end collision warning
with City Braking function: General information
The system warns at two levels of an imminent
danger of collision at speeds from approx.
3 mph/5 km/h. Time of warnings may vary with
the current driving situation.
Appropriate braking kicks in at speeds of up to
35 mph/60 km/h.
Detection range
It responds to objects if they are detec ...