Removing valve springs

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 STARTER MOTOR .
Refer to REMOVING THE STIFFENING PLATE .
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 .
Refer to Removing all roller cam followers. Refer to the appropriate information in DISASSEMBLING CYLINDER HEAD .
Refer to REMOVING ALL HYDRAULIC VALVE CLEARANCE COMPENSATING ELEMENTS .

Prepare the special tools 0 494 371 (11 9 006), 0 494 372 (11 9 007) and 0 494 373 (11 9 008) as shown.

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Position the special tools 0 494 371 (11 9 006), 0 494 372 (11 9 007) and 0 494 373 (11 9 008) in the direction of arrow in the center on the cylinder head.

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Slide the special tool 0 494 370 (11 9 005) in the direction of arrow over the edge of the special tool 0 494 371 (11 9 006).

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Lock special tool 0 494 370 (11 9 005) in arrow direction.
Turn special tool 0 494 362 (11 9 000) and the cylinder head by 180°.

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Mount special tool 0 494 367 (11 9 002).
Align special tool 0 494 374 (11 9 009) in direction of valve axis. Select the corresponding groove using special tool 0 496 143 (11 8 840).
Press down the valve spring on the upper spring cup with the special tools 0 494 374 (11 9 009) and 0 496 143 (11 8 840).
The valve spring can be maintained in pressed down installation position with the special tool 0 494 375 (11 9 011).

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Keep the valve spring pressed down with the special tool 0 496 143 (11 8 840).
Remove the valve shims (1) from the valve (2) using a magnet.
Relieve load on valve spring.

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Remove the spring cup (1) and the valve spring (2) and position neatly in the special tool 0 495 105 (11 4 480).

Courtesy of BMW OF NORTH AMERICA, INC.