The clutch disc thickness should be checked in the following order. Place the car on a level surface (overpass). Remove the car stiffening plate, unscrew the two bolts and remove the clutch slave cylinder. Secure the hydraulic drive with a wire clamp to the body, do not disconnect the hydraulic system.
Insert the "Kalibr-BMW" (Fig. 2.54) into the hole from under the clutch drive slave cylinder and press it. The driven disk linings are considered worn if the red zone is visible on the gauge scale.

Examine the original source using the link on the website: «BMWMAN»
