Installing the hydraulic chain tensioner of cylinder bank 2

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 LEFT .
Refer to INSTALLING THE IGNITION COIL OF CYLINDER 5 .
Refer to INSTALLING THE VANOS SOLENOID ACTUATOR EXHAUST OF CYLINDER BANK 2 .
Refer to INSTALLING THE LEFT-HAND CHARGE AIR COOLER .
Refer to INSTALLING LEFT CLEAN AIR PIPE .
Refer to CONNECTING THE LEFT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
Refer to CONNECTING THE COOLANT HOSE TO THE AUXILIARY COOLANT PUMP .
Refer to CONNECTING THE COOLANT HOSES TO THE HIGH-TEMPERATURE COOLANT RADIATOR .
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 STRUT BRACE ON THE LEFT AND RIGHT .
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 INSTALLING THE COVER IN THE ENGINE COMPARTMENT ON THE TOP RIGHT .
Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .