Necessary preliminary tasks

WARNING: This page is about a different car, the 2010 BMW 650i, 2009 BMW 650i, 2008 BMW 650i, 2007 BMW 650i, and 2006 BMW 650i. However, it is still accessible from the selected car via links, so may be relevant.

Remove underbody protection
Remove left heat shield

Unlock connector and remove.

Unlock and disconnect line (1).

Installation:

Replace sealing ring.

Release nuts (2) and remove clutch actuator (3).

Tightening torque, see 21 52 5AZ in 21 52 CLUTCH OPERATION (HYDRAULIC) .

Fig 1: Identifying Clutch Actuator With Nuts And Line

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: After completing work:

Check fluid level in hydraulic system. See 21 53... CHECKING/TOPPING UP FLUID LEVEL IN HYDRAULIC SYSTEM (GS6S37BZ/GS6S53BZ/ SMG)
Perform "Teach in transmission" service function by means of DIS Tester (BMW scan tool)