Remove left cylinder head cover

WARNING: Hot fluids.
Risk of scalding!

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

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

NOTE: TECHNICAL INFORMATION
Grease the threads of new oxygen sensors thinly and evenly.
For oxygen sensors that are reused, the following should be observed:
Thinly and evenly grease the oxygen sensor on the thread only. Do not clean the part of the oxygen sensor that does not protrude into the exhaust line (sensor ceramics) and do not grease.
For additional information see: 11 00... OVERVIEW OF CONSUMABLES IN APPLICABLE BMW PARTS CATALOGUE .

Preliminary work

Refer to SUCTIONING THE AIR CONDITIONING .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE COVER PANEL OF THE MASTER DME CONTROL UNIT .
Refer to REMOVING THE COVER PANEL OF THE SLAVE DME CONTROL DEVICE .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE CONTROL UNIT BRACKET FOR CYLINDERS 1 TO 4 .
Refer to REMOVING MOUNTING FOR DME MASTER CONTROL MODULE SUPPORT .
Refer to REMOVING IGNITION COIL OF CYLINDER BANK 1 .
Refer to REMOVING IGNITION COIL OF CYLINDER BANK 2 .
Refer to REMOVING HIGH PRESSURE RAIL AT CYLINDER BANK 1 .
Refer to REMOVING RAIL FROM BANK 2 .
Refer to DISCONNECTING THE PLUG CONNECTIONS OF THE INJECTORS OF CYLINDER BANK 1 .
Refer to DISCONNECTING PLUG CONNECTIONS OF THE INJECTORS OF CYLINDER BANK 2 .
Refer to REMOVING INJECTORS .
Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
Removing the cover of the rear right engine compartment.

Courtesy of BMW OF NORTH AMERICA, INC.
- Loosen the lock (1)
- Remove the cover (2).
Covering the vehicle battery
WARNING:
Unprotected battery terminals. Risk of short circuits! Risk of fire!
- Cover the vehicle battery
Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The following step(s) must be performed if the listed component(s) is/are installed.
- Cover the vehicle battery with the special tool 2 452 007 as shown.
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 DISCONNECTING THE REFRIGERANT LINE FROM THE EXPANSION VALVE .
Refer to REMOVING THE REFRIGERANT LINE BETWEEN THE AIR CONDITIONING CONDENSER AND THE EVAPORATOR .
Refer to REMOVING THE HOLDER WITH THE VEHICLE WIRING HARNESS FOR THE SENSOR SYSTEM OF CYLINDER BANK 1 .
Refer to REMOVING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 4 .
Refer to REMOVING VACUUM PUMP .
Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 5 TO 8 .
Refer to REMOVING HOLDER OF DME CONTROL UNIT FOR CYLINDERS 5 TO 8 .
Refer to REMOVING LEFT HIGH PRESSURE PUMP .
Refer to REMOVING THE RIGHT HIGH PRESSURE PUMP .
Refer to REMOVING COOLANT EXPANSION TANK .
Refer to REMOVING EXPANSION TANKS FOR THE CHARGE AIR COOLERS .
Refer to LIFTING THE HEAT SHIELD AT THE SIDE .
Refer to REMOVING THE OXYGEN SENSOR MONITOR OF CYLINDER BANK 2 .
Removing conduit from bank 1.

Courtesy of BMW OF NORTH AMERICA, INC.
- Loosen screws (1).
- Slide conduit (2) downwards.
Removing the tank ventilation line of cylinder bank 1 partially.

Courtesy of BMW OF NORTH AMERICA, INC.
- Press the tank vent line (2) on the catch (1) and unlock.
- Disconnect the tank vent line (2).
- Fold the tank vent line (2) to the side
Refer to REMOVING ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
Refer to REMOVING ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
Refer to REMOVING THE WIRING HARNESS FROM THE CYLINDER BANK 2 .
Refer to REMOVING UPPER HEAT SHIELD .
Refer to REMOVING THE CATALYTIC CONVERTER NEAR THE ENGINE AT TOPPING OF CYLINDER BANK 2 .
Refer to REMOVING UPPER CATALYTIC CONVERTER NEAR ENGINE FROM CYLINDER BANK 1 .
Refer to REMOVING THE COVER IN THE ENGINE COMPARTMENT ON THE LEFT .
Refer to REMOVING THE COVER IN THE ENGINE COMPARTMENT ON THE RIGHT .
Refer to RELEASING LEFT FRONT-END STRUT .
Refer to RELEASING THE RIGHT FRONT-END STRUT .
Refer to REMOVING FRONT CROSS CONNECTION .
Refer to REMOVING LEFT INTAKE SILENCER HOUSING .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 1 .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING FAN COWL WITH ELECTRIC MOTOR .
Refer to REMOVING DRIVE BELT .
Refer to REMOVING THE STIFFENING PLATE .
Refer to REMOVING THE WHEEL ARCH COVER ON THE FRONT LEFT AND BOTTOM RIGHT .
Refer to DRAINING THE COOLANT FROM THE COOLANT PUMPS .
Refer to REMOVING OIL FILLER NECK .
Refer to REMOVING RIGHT CHARGE AIR COOLER .
Refer to REMOVING LEFT CHARGE AIR COOLER .
Refer to REMOVING THE INTAKE PIPE .
Refer to REMOVING LEFT THROTTLE VALVE ASSEMBLY .
Refer to REMOVING THE HOLDER WITH THE VEHICLE WIRING HARNESS FOR THE SENSOR SYSTEM OF CYLINDER BANK 1 .
Refer to REMOVING THE HOLDER WITH THE VEHICLE WIRING HARNESS FOR THE SENSOR SYSTEM OF CYLINDER BANK 2 .
Refer to REMOVING FUEL DELIVERY LINE .