Install chain tensioner

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

Tighten chain tensioner using the illustrated tool.

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

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Replace the sealing sleeve (1).
Parts: Sealing sleeve
Guide in and install the sealing sleeve (1) on the chain tensioner (2).

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Guide in and install the chain tensioner (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Tighten the chain tensioner (1) with standard tools.

TIGHTENING TORQUE SPECIFICATIONS

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

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Follow-up work

Refer to INSTALLING THE HEAT SHIELD ON THE EXHAUST TURBOCHARGER, TOP .
Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to PREPARING FOR THE INSTALLATION OF THE CLEAN AIR PIPE .
Refer to INSTALLING CLEAN AIR PIPE .
Refer to INSTALLING THE REAR BULKHEAD .
Refer to INSTALLING THE UPPER FIREWALL COVER PANEL .
Refer to INSTALLING FRONT WINDSHIELD PANEL COVER .
Refer to INSTALLING THE REAR HOOD SEAL .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE STRUT BRACE .
Refer to INSTALLING INTAKE SILENCER HOUSING .
Refer to INSTALLING THE INTAKE MANIFOLD FOR THE INTAKE FILTER HOUSING .