21 00 006 Bleeding clutch hydraulics (plastic slave cylinder)

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 BMW 335xi, 2008 BMW 335i, 2008 BMW 328xi, 2008 BMW 328i, and 2008 BMW 323i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove underbody protection from transmission.

Connect bleeder unit to brake fluid expansion tank.

IMPORTANT: Check relevant Operating Instructions for each device.

Charging pressure should not exceed 2 bar.

Connect bleeder hose to bleed valve (1).

Open bleed valve (1) and flush until clear brake fluid emerges without air bubbles.

Close bleed valve.

Fig 1: Identifying Clutch Hydraulic Bleed Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Switch off bleeder unit or remove from brake fluid expansion tank.

Correct brake fluid level in expansion tank.