Installing the hydraulic chain tensioner of cylinder bank 1

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NOTE: RISK OF DAMAGE
Damage to timing chain or timing chain drive .
Turning the engine without chain tensioner or special tool can result in damage to the timing chain and timing chain drive .

Always turn the engine with the chain tensioner or the special tool.
Feed in and position the hydraulic chain tensioner (2).
Tighten the screws (1).

TIGHTENING TORQUE SPECIFICATIONS

Chain tensioner to cylinder head
screw	Tightening torque 13 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Remove the special tool 0 491 012 (11 4 120) or transportation retainer (3) from the bore.

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING TIMING CASE COVER AT TOP RIGHT .
Refer to INSTALLING VANOS SOLENOID ACTUATOR, EXHAUST OF CYLINDER BANK 1 .
Refer to INSTALLING GUIDE TUBE FOR OIL DIPSTICK .
Refer to INSTALLING THE RIGHT-HAND CHARGE AIR COOLER .
Refer to INSTALLING RIGHT CLEAN AIR PIPE .
Refer to CONNECTING THE RIGHT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
Refer to CONNECTING THE COOLANT HOSE TO THE AUXILIARY COOLANT PUMP .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING THE LEFT UNFILTERED-AIR DUCT .
Refer to INSTALLING INTAKE FILTER HOUSING .
Refer to INSTALLING THE RIGHT STRUT BRACE .
Refer to INSTALLING THE STRUT BRACE .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING TENSION STRUT ON LEFT AND RIGHT SHOCK TOWER .
Refer to INSTALLING UPPER CROSS CONNECTION .
Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT .
Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .