Install chain tensioner

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Drain the oil chamber in the chain tensioner when reusing the chain tensioner.
Place the chain tensioner on a level support, slowly compress in direction of arrow and relieve it.
Catch and dispose of emerging motor oil.
Repeat process 2 times.

Courtesy of BMW OF NORTH AMERICA, INC.
Replace the sealing sleeve (1).
Parts: Sealing sleeve
Guide in and install the sealing sleeve (1) on the chain tensioner (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Guide in and install the chain tensioner (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten chain tensioner (2) with commercially available tools (1).

TIGHTENING TORQUES SPECIFICATION

Chain tensioner to cylinder head
Chain tensioner	Joining torque	20 Nm
	Angle of rotation	40°

Courtesy of BMW OF NORTH AMERICA, INC.