Removal & Installation

WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2006 BMW M3, 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, and 2005 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

Suck brake fluid out of expansion tank with a suction device used exclusively for drawing off brake fluid.
Pull supply hose (1) off of clutch hydraulic system, if necessary. See Fig 1.
On vehicles with a precharging pump for DSC, supply hose must be secured in a vertical position to prevent fluid from emerging.
On all models, lift out expansion tank from master brake cylinder by tilting it laterally.
Check rubber plug in master brake cylinder. No damage may be present.
Push expansion tank vertically onto master brake cylinder.
Connect hoses, fill expansion tank, and bleed system. See BLEEDING BRAKE SYSTEM .

Fig 1: Locating Supply Hose Of Clutch Hydraulic System

Courtesy of BMW OF NORTH AMERICA, INC.