34 31 181 Removing and installing/replacing expansion tank for hydraulic brake actuation
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, 2007 BMW X3, and 2006 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Follow general instructions, see 34 00 ... General Information .
- Remove left partition wall for equipment compartment .
- Remove non-return valve, see 34 33 051 Removing and installing/replacing nonreturn valve for brake booster from brake booster.
- After completing tasks, bleed brake system, see 34 00 050 Bleeding brake system with DSC .
NOTE:
Suck the brake fluid out of the expansion tank. Use a suction bottle used exclusively for drawing off brake fluid.
Do not reuse drawn out brake fluid.
Unfasten plug connection (1) and disconnect.
Pull off supply hose (2) of clutch hydraulic system if necessary.
Release retaining screw (3).
Installation:
Tightening torque: 34 31 3AZ, see 34 31 BRAKE MASTER CYLINDER .
Pull expansion tank (4) vertically out of brake master cylinder.
IMPORTANT:
Check rubber plug in brake master cylinder for damage and replace if necessary.
Push the expansion tank vertically onto the master brake cylinder.