Replace beaded metal gaskets (1, 2 and 3)

Fig 1: Identifying Beaded Metal Gaskets

Courtesy of BMW OF NORTH AMERICA, INC.

Fit timing case cover (2).

Initially tighten all bolts to approx. 5 Nm.

Fully tighten all bolts in alternate sequence.

Tightening torque 11 14 2AZ .

Installation note: 

Wait for PU material to emerge at sealing joints.

Carefully wipe off  protruding PU material.

Fig 2: Identifying Screws Along Lines And Timing Case Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Replace RADIAL SHAFT SEAL in gear case cover at bottom. 

Assemble engine.