SEE MORE:
REMOVING AND INSTALLING/REPLACING DIFFERENTIAL PRESSURE SENSOR
(N52 / N52K / N51)
Necessary preliminary tasks:
E90 / E91 / E92 / E93 / E87:
Remove lower section of microfilter housing.
E85 / E86 E90 / E91 / E92 / E93:
Remove left tension strut on suspension strut dome
E70:
Remove intake filte
Fig. 2: Identifying Air Brakes Vacuum Supply Models
INTRODUCTION
Vacuum is principally used for the brake booster.
The vacuum in the inlet pipe depends on the varying engine load.
Diesel engines do not normally have any vacuum in the inlet pipe. Vacuum on
diesel engines is provided by a
pump tha