Install the hydraulic chain tensioner

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.

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten the screws (1) on the chain tensioner (2) .

TIGHTENING TORQUE SPECIFICATIONS

Chain tensioner to cylinder head
M7	Joining torque	13 Nm

Remove the special tool 0 491 012 (11 4 120) from the bore.

Follow-up work

Refer to INSTALLING THE TOP TIMING CASE COVER OF CYLINDERS 7 TO 12 .
Refer to INSTALLING BOTH SOLENOID VALVES ON THE LEFT .
Refer to INSTALLING ALTERNATOR 2 .
Refer to INSTALLING THE HEATER RETURNING HOSE ON THE COOLANT PUMP .
Refer to INSTALLING THE LEFT COOLANT HOSE ON THE RADIATOR .
Refer to CONNECTING THE COOLANT HOSE TO THE RADIATOR .
Refer to MOUNTING AIR CONDITIONING COMPRESSOR .
Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR 2 AND THE AIR CONDITIONING COMPRESSOR .
Refer to CHECKING THE DRIVE BELT FOR ALTERNATOR 2 .
Refer to REMOVING THE PROTECTIVE PLATE AT THE RADIATOR .
Refer to INSTALLING THE ACTIVE STABILIZER IN FRONT .
Refer to SECURING THE ANTI-ROLL BAR LINK ON THE LEFT AND RIGHT TO THE ANTI-ROLL BAR .
Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY ON THE RIGHT .
Refer to INSTALLING THE FRONT RIGHT WHEEL .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
Refer to INSTALLING THE LEFT CYLINDER HEAD COVER .
Refer to ATTACHING COOLANT LINE FOR LEFT EXHAUST TURBOCHARGER .
Refer to PREPARING THE INJECTOR FOR INSTALLATION .
Refer to INSTALLING INJECTORS .
Refer to INSTALLING THE LEFT HIGH PRESSURE PUMP .
Refer to INSTALLING THE HIGH-PRESSURE RAIL ON THE LEFT .
Refer to INSTALLING ALL HIGH PRESSURE LINES BETWEEN THE RAIL AND THE INJECTORS .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING THE LEFT-HAND HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
Refer to INSTALLING CHARGE AIR PIPE ON LEFT .
Refer to INSTALLING TOP CLEAN AIR PIPE ON LEFT .
Refer to PARTIALLY FASTENING THE WIRING HARNESS ON THE LEFT CYLINDER HEAD COVER .
Refer to CONNECTING ALL THE CONNECTORS TO THE DME CONTROL UNIT FOR CYLINDERS 7 TO 12 .
Refer to INSTALLING COVER FOR THE LEFT DME CONTROL UNIT .
Refer to INSTALLING THE IGNITION COILS .
Refer to INSTALLING THE LEFT-HAND VENTILATION LINE .
Refer to INSTALLING THE INTAKE PLENUM .
Refer to INSTALLING THE TANK VENT LINE .
Refer to INSTALLING THE ENGINE VENTILATION LINE ON THE INTAKE SYSTEM .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to MOUNTING THE LEFT-HAND CHARGE AIR COOLER .
Refer to INSTALLING THE LEFT THROTTLE BODY .
Refer to INSTALLING LEFT INTAKE PORT .
Refer to INSTALLING THE LEFT-HAND AIR DUCT .
Refer to INSTALLING LEFT INTAKE SILENCER HOUSING .
Refer to MOUNTING THE RIGHT-HAND CHARGE AIR COOLER .
Refer to INSTALLING THE RIGHT THROTTLE BODY .
Refer to INSTALLING RIGHT AIR DUCT .
Refer to INSTALLING RIGHT INTAKE SILENCER HOUSING .
Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
Refer to INSTALLING WINDSHIELD PANEL COVER .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING FANFARE HORN, RIGHT .
Refer to INSTALLING THE FANFARE ON THE LEFT SIDE .
Refer to INSTALLING THE CENTER TOP CROSS CONNECTION .
Refer to INSTALLING BOTH HEADLIGHTS .
Refer to INSTALLING BUMPER COVER, FRONT .
Refer to INSTALLING FRONT SECTION OF THE FRONT WHEEL ARCH COVER (PARTIALLY REMOVED) .
Refer to INSTALLING FRONT ORNAMENTAL GRILLE .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT CENTER .
Refer to INSTALLING ACOUSTIC COVER .
Refer to CONNECTING ALL BATTERY GROUND LEADS .
Refer to FILLING THE COOLING SYSTEM WITH THE VACUUM FILLING UNIT .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to ADJUSTING HEADLIGHTS .