11 12 161 Replacing cylinder head (Vehicles with automatic transmission): Notes

WARNING: Working on 12 V electrical system.
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!

When working on the fuel system, make sure that the workbay is sufficiently ventilated, e.g. using extraction unit.
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!

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.

Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.

NOTE: RISK OF DAMAGE
Engine damage due to missing motor oil.
Missing motor oil following replacement of the cylinder head or the engine can lead to damage on the valve train.

After replacing the cylinder head or the engine, do not start the engine without observing the repair notes.
It is imperative you observe the REPAIR NOTES for cylinder head or engine replacement

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

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.

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS
Set engine compartment lid into service position
Remove the cover in the left engine compartment
Remove the right cover in the engine compartment
Refer to REMOVING THE ACOUSTIC COVER
Remove both wiper arms
Remove cowl panel cover
Refer to REMOVING TRAILING LINK AT SPRING STRUT DOME .
Remove the sound insulation on the bulkhead upper part at the center
Refer to REMOVING ACOUSTIC COVER AT REAR
Refer to REMOVING THE LOWER RIGHT ENGINE BULKHEAD
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 INTAKE SILENCER 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 COVER FOR THE DME CONTROL UNIT
Refer to DISCONNECTING THE CONNECTOR FROM THE DME CONTROL UNIT AND FROM THE POWER DISTRIBUTION MODULE (PDM)
Refer to REMOVING THE DME CONTROL UNIT
Refer to REMOVING THE INTEGRATED POWER SUPPLY MODULE (PDM)
Refer to REMOVING THE HOLDER FOR THE DIGITAL MOTOR ELECTRONICS-CONTROL UNIT
Refer to REMOVING THE FRONT UNDERBODY PROTECTION
Refer to REMOVING THE REAR UNDERBODY PROTECTION

Remove the support for the underbody protection

Remove screws (arrows).

Remove the support (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Drain the engine oil (remove the full-flow oil filter). Refer to ENGINE OIL SERVICE .
Tighten the oil drain plug to 25 Nm.
NOTE: Replace the sealing ring.
Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM
Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM
Remove the connecting support

Courtesy of BMW OF NORTH AMERICA, INC.
Refer to REMOVING EXHAUST SYSTEM
Refer to REMOVING STARTER MOTOR
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
Turn the engine on the vibration damper. Refer to the relevant instructions under the procedure for CHECKING CAMSHAFT TIMING (AUTOMATIC TRANSMISSION) .
Block the crankshaft in the TDC firing position of cylinder 1. Refer to the relevant instructions under the procedure for CHECKING CAMSHAFT TIMING (AUTOMATIC TRANSMISSION) .
Refer to the relevant instructions for blocking the camshafts under procedure for CHECKING CAMSHAFT TIMING (AUTOMATIC TRANSMISSION) .
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 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 DETACHING OIL SUPPLY LINE FROM THE ENGINE BLOCK
Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER

Follow-up work

Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER
Refer to SECURING THE OIL FEED LINE TO THE ENGINE BLOCK
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 EXHAUST CAMSHAFT ADJUSTER
Refer to INSTALLING THE INTAKE ADJUSTER
Refer to PRELOADING TIMING CHAIN
Refer to TIGHTENING THE VANOS CENTRAL VALVE
Disassemble all special tools
Crank engine twice. Refer to CHECKING CAMSHAFT TIMING (AUTOMATIC TRANSMISSION)
Refer to INSTALLING CYLINDER HEAD COVER
Refer to INSTALLING BOTH ACTUATORS
Refer to PREPARE THE INJECTORS FOR INSTALLATION
Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 4 TO 6
Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 1 TO 3
Refer to PREPARE FOR THE INSTALLATION OF THE HIGH PRESSURE PUMP
Refer to INSTALLING HIGH PRESSURE PUMP
Refer to INSTALLING FUEL DELIVERY LINE
Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE RAIL AND THE HIGH-PRESSURE PUMP
Refer to INSTALLING ALL SPARK PLUGS
Refer to INSTALLING THE IGNITION COILS
Refer to INSTALLING THE AUXILIARY COOLANT PUMP
Refer to INSTALLING THE INTAKE PLENUM
Refer to INSTALLING THE TANK VENT VALVE
Refer to INSTALLING THE HOLDER FOR THE DIGITAL MOTOR ELECTRONICS-CONTROL UNIT
Refer to INSTALLING THE INTEGRATED POWER SUPPLY MODULE (PDM)
Refer to INSTALLING THE DME CONTROL UNIT
Refer to CONNECTING THE CONNECTOR TO THE DME CONTROL UNIT AND THE POWER DISTRIBUTION BOX (PDM)
Refer to INSTALLING COVER FOR THE DME CONTROL UNIT
Refer to INSTALLING CATALYTIC CONVERTER
Refer to INSTALLING STARTER MOTOR
Refer to INSTALLING EXHAUST SYSTEM
Install the connecting support. Tightening torque: 28 Nm.
Refer to INSTALLING THE OXYGEN SENSOR MONITOR
Refer to INSTALLING LAMBDA OXYGEN SENSOR
Refer to INSTALLING FRONT ENGINE ENCAPSULATION
Refer to CONNECTING THE COOLANT HOSE TO THE RADIATOR OF THE LOW-TEMPERATURE COOLANT CIRCUIT
Refer to CONNECTING THE COOLANT HOSE TO THE RADIATOR
Refer to INSTALLING CHARGE AIR LINE
Refer to INSTALLING FAN COWL
Refer to INSTALLING CLEAN AIR PIPE
Refer to INSTALLING INTAKE SILENCER HOUSING
Refer to INSTALLING ACOUSTIC COVER AT REAR
Install tension strut on spring strut dome. Jointing torque: 56 Nm, angle of rotation: 90°
NOTE: Replace screws.
Attach cowl panel cover
Install both wiper arms
Checking the angle of attack of the wiper arms on the left and right
Install the sound insulation on the bulkhead upper part at the center
Install the cover in the engine compartment on the left
Install the cover in the engine compartment on the right
Top up the engine oil
Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLER DEVICE
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLER DEVICE
Refer to CONNECTING ALL BATTERY GROUND LEADS
Connect the diagnostic system for possible integration level encoding and programming
Refer to BLEEDING THE LOW-TEMPERATURE COOLING SYSTEM
Refer to BLEEDING THE HIGH-TEMPERATURE COOLANT SYSTEM
Refer to INSTALLING ACOUSTIC COVER
Install the support for the underbody protection. Tightening torque: 3Nm.
Install underbody protection at rear
Install the front underbody protection
Take hood out of the service position
Check engine oil level