Determining the thickness of the primary shaft adjusting ring (BMW 5 Series E12)

Press the rear bearing of the primary shaft into the socket of the gearbox housing, placing a 1 mm thick ring on the clutch side. Measure the depth of the gearbox housing, i.e. the distance between the mating surface of the housing and the end of the bearing.

Determine the thickness of the adjusting ring based on the obtained value and the marking on the input shaft (see photo).



Install the selected adjusting ring on the primary shaft and press the front shaft bearing out of the gearbox housing socket.