Remove cylinder head
WARNING:
Working on 12 V electrical system
.
Risk of short circuits! Risk of fire!
Risk of short circuits! Risk of fire!
- Make sure that there is no charger connected to the jump start terminal in the engine compartment.
- Detach battery ground lead from battery.
- For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
WARNING:
Working on fuel system
.
Risk of fire! Danger of explosion!
Risk of fire! Danger of explosion!
- When working on the fuel system, make sure the workstation has sufficient ventilation, e.g., by means of extraction.
- Tightly seal off open lines and connections; collect any leakage fuel directly at the point of exit.
- No fire, sparks, open flames or smoking.
CAUTION:
On releasing high pressure line, fuel may emerge at high speed
.
Injury hazard!
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:
RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS) .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults .
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS) .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults .
- Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.
NOTE:
TECHNICAL INFORMATION
After replacing the motor or cylinder head: Reprogram or encode the digital motor electronics (DME) if necessary.
Read out the vehicle I-level and proceed accordingly.
Be absolutely certain to pay attention to PuMA measure 62634754.
For further information, see the applicable BMW parts catalogue.
After replacing the motor or cylinder head: Reprogram or encode the digital motor electronics (DME) if necessary.
Read out the vehicle I-level and proceed accordingly.
Be absolutely certain to pay attention to PuMA measure 62634754.
For further information, see the applicable BMW parts catalogue.
NOTE:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Preliminary work
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
- Refer to REMOVING THE LEFT COVER IN THE ENGINE COMPARTMENT .
- Refer to REMOVING THE RIGHT COVER IN THE ENGINE COMPARTMENT .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING BOTH WIPER ARMS .
- Refer to REMOVING COWL PANEL COVER .
- Refer to REMOVING THE TENSION STRUT ON THE STRUT TOWER .
- Refer to REMOVING THE SOUND INSULATION ON THE ON THE CENTER OF THE FIREWALL UPPER PART .
- Refer to REMOVING ACOUSTIC COVER AT REAR .
- Refer to REMOVING IGNITION COILS .
- Refer to REMOVING ALL SPARK PLUGS .
- Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE RAIL AND THE HIGH PRESSURE PUMP .
- Refer to REMOVING FUEL DELIVERY LINE .
- 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 BOTH ACTUATORS .
- Refer to REMOVING THE INTAKE FILTER HOUSING .
- Refer to REMOVING CLEAN AIR PIPE .
- Refer to REMOVING FAN COWL .
- Refer to REMOVING CHARGE AIR LINE .
- Refer to REMOVING FRONT ENGINE ENCAPSULATION .
- Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
- Refer to REMOVING THE OXYGEN SENSOR MONITOR .
- Refer to UNINSTALLING THE COVER FOR THE DME CONTROL UNIT .
- Refer to DISCONNECTING THE CONNECTOR FROM THE DME CONTROL UNIT AND FROM THE POWER DISTRIBUTION BOX (PDM) .
- Refer to REMOVING THE DME CONTROL UNIT .
- Refer to REMOVING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
- Refer to REMOVING THE HOLDER FOR THE DME CONTROL UNIT .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING REAR UNDERBODY PROTECTION .
- Refer to REMOVING THE SUPPORT FOR THE UNDERBODY PROTECTION .
- Refer to DRAINING THE ENGINE OIL (REMOVING THE FULL-FLOW OIL FILTER) .
- Refer to TIGHTENING THE OIL DRAIN PLUG .
- Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to REMOVING THE CONNECTING SUPPORT .
- Refer to REMOVING THE CONNECTING SUPPORT WITH THE TENSIONING STRUT .
- Refer to REMOVING EXHAUST SYSTEM .
- Refer to REMOVING CATALYTIC CONVERTER .
- Refer to REMOVING TANK VENT VALVE .
- Refer to REMOVING THE INTAKE PLENUM .
- Refer to REMOVING THE AUXILIARY COOLANT PUMP .
- Refer to REMOVING THE CYLINDER HEAD COVER .
- 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) or BLOCKING THE CRANKSHAFT IN THE TDC FIRING POSITION OF CYLINDER 1 (MANUAL 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 REMOVING THE FRONT SECTION OF THE COOLANT RETURNING LINE .
- Refer to REMOVING THE REAR SECTION OF THE COOLANT RETURNING LINE (FRONT SECTION IS REMOVED) .
- Refer to REMOVING THE COOLANT FEED LINE (COOLANT RETURNING LINE IS REMOVED) .
- Refer to DETACHING OIL SUPPLY LINE FROM THE ENGINE BLOCK .
- Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
- Release screw (1) and lay the grounding cable to one side.
- Remove screw (2) and lay the wiring harness to one side.
- Release screw (3)
and push the acoustic cover carefully towards the rear.
- Unlock and disconnect connector (1) .
- Release screw (2)
and lay the grounding cable to one side.
- Rotate intake camshaft, if necessary in the position shown.
The recess (2) must point up.
- Loosen screw (1)
.
- Shift camshaft sensor wheel (1)
in direction of cylinder 1 and feed out from the intake camshaft.
- Unscrew bolts (1) to (5) .
- Undo the screws using the special tool 0 495 747 (11 8 580) in the order (14) to (1) .
- Detach timing chain from the guide rail (1) .
- Feed out guide rail (2)
when removing the cylinder head.
- Attach special tool 0 490 567 (11 0 020) to workshop crane.
- Lift out the cylinder head (1) and the exhaust turbocharger with the help of a second person, using the workshop crane and the special tool 0 490 567 (11 0 020) .