Measuring scale B+C:

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

6 cylinders and all 4 cylinders with ZMS (dual -mass flywheel)

Transmission S5D 200G
Transmission S5D 250G
Transmission S5D 260Z
Transmission S5D 310Z
Transmission S5D 320Z

Push pressure pin against release lever and read off wear reading.

Fig 1: Pushing Pressure Pin

Courtesy of BMW OF NORTH AMERICA, INC.

If red range (2) is visible, drive plate must be replaced.

Clutch liner OK
Clutch liner worn

Fig 2: Identifying Wear Reading
Courtesy of BMW OF NORTH AMERICA, INC.