Replacing the valve stem seals

WARNING: Hot fluids.
Risk of scalding!

Conduct all work in the vehicle wearing appropriate personal protective equipment only.

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

CAUTION: On releasing high pressure line, fuel may emerge at high speed.
Injury hazard!

Wear suitable personal protective equipment.
Before performing any installation work, allow cooling system to cool down to less than 40°C.
Note warnings on cylinder head cover.

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

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to DRAINING THE MOTOR OIL .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to REMOVING THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
Refer to REMOVING BOTTOM CLEAN AIR PIPE .
Refer to REMOVING THE COVER ON LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
Refer to REMOVING THE LEFT AND RIGHT FRONT-END STRUT .
Refer to REMOVING FRONT CROSS CONNECTION .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE FAN COWL .
Refer to REMOVING CHARGE AIR LINE .
Refer to REMOVING THE SEAL FOR THE HOOD REAR .
Refer to REMOVING ACOUSTIC COVER AT REAR .
Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
Refer to REMOVING LEFT AND RIGHT WIPER ARM .
Refer to REMOVING THE COWL COVER .
Refer to REMOVING TRAILING LINK AT SPRING BOLT .
Refer to REMOVING THE COWL UPPER PART IN THE CENTER .
Refer to REMOVING THE SEALING FRAME ON LEFT AND RIGHT .
Refer to REMOVING THE CENTER BULKHEAD LOWER PART .
Refer to REMOVING BOTH ACTUATORS .
Refer to REMOVING FRONT ENGINE ENCAPSULATION .
Refer to REMOVING IGNITION COILS .
Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE RAIL AND THE HIGH PRESSURE PUMP .
Refer to REMOVING HIGH PRESSURE PUMP .
Refer to REMOVING THE INJECTORS FOR CYLINDERS 1 TO 3 .
Refer to REMOVING THE INJECTORS FOR CYLINDERS 4 TO 6 .
Refer to REMOVING THE CYLINDER HEAD COVER .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
Refer to REMOVING THE STIFFENING PLATE .
Refer to REMOVING STARTER MOTOR .
Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
Refer to REMOVING COMPLETE EXHAUST SYSTEM .
Refer to REPLACING THE LAMBDA OXYGEN SENSOR .
Refer to REPLACING THE OXYGEN MONITOR SENSOR .
Refer to REMOVING CATALYTIC CONVERTER .
Refer to REMOVING THE EXHAUST TURBOCHARGER SUPPORT .
Refer to REMOVING THE OIL RETURNING LINE FOR THE EXHAUST TURBOCHARGER .
Refer to TURNING THE ENGINE ON THE VIBRATION DAMPER .
Refer to BLOCKING THE CRANKSHAFT IN THE TDC FIRING POSITION OF THE FIRST CYLINDER (AUTOMATIC TRANSMISSION) .
Refer to BLOCKING THE CAMSHAFTS .
Refer to REMOVING CHAIN TENSIONER .
Refer to RELEASING THE VANOS CENTRAL VALVE .
Refer to REMOVING INTAKE ADJUSTER .
Refer to REMOVING EXHAUST CAMSHAFT ADJUSTER .
Refer to DISASSEMBLING THE SPECIAL TOOL 2 358 122 .
Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to REMOVING TANK VENT VALVE .
Refer to REMOVING THE DME CONTROL UNIT .
Refer to REMOVING CONTROL UNIT BRACKET .
Refer to REMOVING THE INTAKE PLENUM .
Refer to REMOVING THE AUXILIARY COOLANT PUMP .
Refer to REMOVING THE FRONT SECTION OF THE COOLANT RETURN LINE .
Refer to REMOVING THE REAR SECTION OF THE COOLANT RETURN LINE (FRONT SECTION IS REMOVED) .
Refer to REMOVING THE COOLANT FEED LINE (COOLANT RETURN LINE IS REMOVED) .
Refer to DETACH OIL SUPPLY LINE FROM THE ENGINE BLOCK .
Refer to REMOVING CYLINDER HEAD .
Refer to REMOVING THE CYLINDER HEAD GASKET .
Refer to SEALING THE OIL DUCT .
Refer to INSTALLING THE CYLINDER HEAD ON THE SPECIAL TOOL .
Refer to REMOVING THE EXHAUST TURBOCHARGER (CYLINDER HEAD REMOVED) .
Refer to INSTALLING THE CYLINDER HEAD ON THE SPECIAL TOOL (EXHAUST TURBOCHARGER REMOVED) .
Refer to ADJUSTING THE ECCENTRIC SHAFT TO MINIMUM LIFT .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT AT CYLINDER 3 AND 4 .
Refer to REMOVING TORSION SPRINGS .
Refer to REMOVING ALL GATES .
Refer to REMOVING ALL INTERMEDIATE LEVERS .
Refer to REMOVING INTAKE CAMSHAFT .
Refer to REMOVING THE SERVOMOTOR FOR THE ECCENTRIC SHAFT .
Refer to REMOVING ECCENTRIC SHAFT .
Refer to REMOVING EXHAUST CAMSHAFT .
Removing all roller cam followers. Refer to the appropriate information in DISASSEMBLING CYLINDER HEAD .
Refer to REMOVING ALL HYDRAULIC VALVE CLEARANCE COMPENSATING ELEMENTS .
Refer to REMOVING VALVE SPRINGS .

NOTE: RISK OF DAMAGE
Contaminant or foreign body.
Contamination can result in malfunctions, loss of function or leaks.

Adhere to the utmost cleanliness.
Protect components from contamination e.g. by covering.
Close off line connections with seal plugs.

NOTE: The description is for one component only. The procedure is identical for all further components.

Remove oil and dirt from the contact surface (1).

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: TECHNICAL INFORMATION
As an alternative to special tool 0 490 797 (11 1 960), the assembly sleeves delivered with the spare part can be used (see applicable BMW parts catalogue).
Make sure that the special tool 0 490 797 (11 1 960) or the assembly sleeves are used when installing the valve stem seal.

Courtesy of BMW OF NORTH AMERICA, INC.
Guide in and install special tool 0 490 797 (11 1 960) or assembly sleeves on valve (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Replace the valve stem seal (1) and assembly sleeves.
Parts: Valve stem seal, assembly sleeves
Guide in and install valve stem seal (1) on special tool 0 490 797 (11 1 960) or assembly sleeves.

Courtesy of BMW OF NORTH AMERICA, INC.
Guide out and remove special tool 0 490 797 (11 1 960) or assembly sleeves.

Courtesy of BMW OF NORTH AMERICA, INC.
Prepare special tool 0 493 249 (11 6 380).

Courtesy of BMW OF NORTH AMERICA, INC.
Press the valve stem seal (1) onto the cylinder head 0 493 249 (11 6 380) up to the stop using special tool.

Courtesy of BMW OF NORTH AMERICA, INC.
Make sure that the valve stem seal (1) is correctly positioned on cylinder head (2).

G14181743

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING VALVE SPRINGS .
Refer to INSTALLING ALL HYDRAULIC VALVE CLEARANCE COMPENSATING ELEMENTS .
Installing all roller cam followers. Refer to the appropriate information in ASSEMBLING THE CYLINDER HEAD .
Refer to INSTALLING EXHAUST CAMSHAFT .
Refer to INSTALLING ECCENTRIC SHAFT .
Refer to INSTALLING SERVOMOTOR FOR THE ECCENTRIC SHAFT .
Refer to INSTALLING INTAKE CAMSHAFT .
Refer to CHECKING INSTALLATION POSITION OF ROLLER CAM FOLLOWERS .
Refer to CHECKING THE INTERMEDIATE LEVER CLASSIFICATION .
Refer to INSTALLING ALL INTERMEDIATE LEVERS .
Refer to INSTALLING ALL GATES .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT AT CYLINDER 3 AND 4 .
Refer to INSTALLING TORSION SPRINGS .
Refer to DISASSEMBLING CYLINDER HEAD FROM THE SPECIAL TOOL (EXHAUST TURBOCHARGER REMOVED) .
Refer to INSTALLING THE EXHAUST TURBOCHARGER (CYLINDER HEAD REMOVED) .
Refer to DISASSEMBLING THE CYLINDER HEAD FROM THE SPECIAL TOOL .
Refer to CLEANING SEALING SURFACES .
Refer to INSTALLING THE CYLINDER HEAD GASKET .
Refer to INSTALLING THE CYLINDER HEAD .
Refer to SECURING THE OIL FEED LINE TO THE ENGINE BLOCK .
Refer to INSTALLING THE INTAKE ADJUSTER .
Refer to INSTALLING EXHAUST CAMSHAFT ADJUSTER .
Refer to BLOCKING THE CAMSHAFTS .
Refer to PRELOAD TIMING CHAIN .
Refer to TIGHTENING THE VANOS CENTRAL VALVE .
Refer to CRANKING ENGINE TWICE (AUTOMATIC TRANSMISSION) .
Refer to DISASSEMBLING ALL SPECIAL TOOLS .
Refer to INSTALLING THE COOLANT FEED LINE (COOLANT RETURN LINE IS REMOVED) .
Refer to INSTALLING THE REAR SECTION OF THE COOLANT RETURN LINE (FRONT SECTION REMOVED) .
Refer to INSTALLING THE FRONT SECTION OF THE COOLANT RETURN LINE .
Refer to INSTALLING THE AUXILIARY COOLANT PUMP .
Refer to TIGHTENING THE OIL FILTER CAP .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING THE INTAKE PLENUM .
Refer to INSTALLING CONTROL UNIT BRACKET .
Refer to INSTALLING THE DME CONTROL UNIT .
Refer to INSTALLING THE TANK VENT VALVE .
Refer to CONNECTING THE COOLANT LINES FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to CONNECTING THE COOLANT LINES FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to TIGHTENING THE OIL DRAIN PLUG .
Refer to INSTALLING THE OIL RETURNING LINE FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING THE SUPPORT FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING STARTER MOTOR .
Refer to INSTALLING CATALYTIC CONVERTER .
Refer to REPLACING THE OXYGEN MONITOR SENSOR .
Refer to REPLACING THE LAMBDA OXYGEN SENSOR .
Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 4 TO 6 .
Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 1 TO 3 .
Refer to PREPARING FOR THE INSTALLATION OF THE HIGH PRESSURE PUMP .
Refer to INSTALLING HIGH PRESSURE PUMP .
Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE RAIL AND THE HIGH-PRESSURE PUMP .
Refer to INSTALLING THE IGNITION COILS .
Refer to INSTALLING FRONT ENGINE ENCAPSULATION .
Refer to INSTALLING BOTH ACTUATORS .
Refer to INSTALLING CENTER BULKHEAD LOWER PART .
Refer to INSTALLING THE SEALING FRAME ON LEFT AND RIGHT .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
Refer to INSTALLING WINDSHIELD PANEL COVER .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
Refer to INSTALLING CHARGE AIR LINE .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING FRONT CROSS CONNECTION .
Refer to INSTALLING FRONT-END STRUT ON LEFT AND RIGHT .
Refer to INSTALLING THE COVER ON THE LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
Refer to INSTALLING BOTTOM CLEAN AIR PIPE .
Refer to INSTALLING THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
Refer to INSTALLING INTAKE SILENCER HOUSING .
Refer to TOPPING UP THE MOTOR OIL .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE THRUST FIELD .
Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
Refer to CONNECTING NEGATIVE BATTERY CABLE .
Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to CHECKING ENGINE OIL LEVEL .