Master Cylinder, Removing And Installing - BMW 5251 Service Manual

Brakes
Master cylinder, removing and installing
CAUTlOI\C
Brake fluid is highly corrosive and dangerous to the environ-
ment. Dispose of it properly.
4
Remove left side interior ventilation microfilter housing:
Remove upper cover and microfilter locking clip (A).
-
Release locking clamp (B), and rotate air tube in direction
of arrow to remove.
Disconnect wiring harness from hood switch (C).
Release filter body mounting clamp (D) and remove lower
microfilter housing.
4
Remove side trim panel from left rear of engine compartment
by releasing clips (arrows).
4
Disconnect bralte fluid level sensor connector (A) from fluid
reservoir. Remove reservoir cap.
.
Using a clean syringe, empty bralte fluid reservoir.
Where applicable, disconnect hydraulic clutch system sup-
ply line from fluid reservoir duct (5). Keep supply line sup-
ported and above clutch master cylinder to prevent air
bubbles from reaching clutch hydraulic system.
Where applicable, disconnect DSC system precharge
pump supply line from fluid reservoir duct (C). Secure sup-
ply line in vertical position to prevent fluid loss.
Plug open brake fluid lines and ducts to prevent fluid leak-
age or contamination.
-
Remove brake fluid reservoir by tilting sideways.