Removing the vehicle wiring harness for the sensor system of cylinder bank 2

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

WARNING: Hot fluids.
Risk of scalding!

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

WARNING: Hot exhaust system.
Risk of burning!

Any work must exclusively be carried out with an exhaust system that has cooled down.

WARNING: Car may slip off the vehicle hoist where components are supported.
Danger! Immobilization period-threatening injuries!

Secure the vehicle hoist against lowering and lifting.
Make sure that the vehicle does not lift off the mounting plates on the vehicle lift.

WARNING: Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly.
Danger! Immobilization period-threatening injuries!

Observe safety instructions on raising the vehicle using a vehicle hoist.
For additional information see: RAISING THE VEHICLE WITH A VEHICLE LIFT .

WARNING: Car may slip off the vehicle hoist if the weight is distributed unevenly.
Danger! Immobilization period-threatening injuries!

Ensure there is a specific weight compensation on the car.

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
Refer to REMOVING THE CENTER ENGINE COMPARTMENT COVER .
Refer to REMOVING BOTH FRONT-END STRUTS .
Refer to REMOVING UPPER CROSS CONNECTION .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING FAN COWL .
Refer to REMOVING DRIVE BELT .
Refer to PARTIALLY RELEASING THE RIGHT CHARGE AIR LINE .
Refer to RELEASING LEFT CHARGE AIR LINE PARTIALLY .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
Refer to REMOVING THE FRONT THRUST FIELD OR THE UNDERBODY PROTECTION OF THE STEERING GEAR .
Refer to DRAINING THE COOLANT FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT (CHARGE AIR COOLER) .
Refer to REMOVING LEFT CHARGE AIR COOLER .
Refer to REMOVING RIGHT CHARGE AIR COOLER .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 1 .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE COVER OF THE RIGHT DME CONTROL UNIT .
Refer to REMOVING THE COVER PANEL OF THE LEFT DME CONTROL UNIT .
Refer to REMOVING THE CONTROL UNIT BRACKET FOR CYLINDERS 5 TO 8 .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING THE ENGINE BRIDGE .
Refer to PARTIALLY LOOSENING THE SPRING STRUT, FRONT RIGHT AND LEFT .
Refer to REMOVING REAR UNDERBODY PROTECTION .
Refer to REMOVING THE STIFFENING PLATE .
Refer to REMOVING UNDERBODY PLANKING ON LEFT AND RIGHT SIDE .
Refer to INSTALLING THE TORSION STRUT LEFT AND RIGHT .
Refer to REMOVING REINFORCEMENT BRACE ON RIGHT .
Refer to REMOVING THE SPRING STRUT HOLDER ON LEFT AND RIGHT .
Refer to REMOVING LEFT AND RIGHT OUTPUT SHAFT: .
Refer to DETACHING THE WIRING HARNESS OF THE EPS FROM THE FRONT AXLE SUPPORT .
Refer to REMOVING THE WHEEL ARCH COVER ON THE FRONT LEFT AND BOTTOM RIGHT .
Refer to REMOVING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER ON THE LEFT AND RIGHT .
Refer to REMOVING CRASH LEVERS LEFT AND RIGHT .
Refer to RELEASING THE FRONT LEFT AND RIGHT BRAKE CALIPERS .
Refer to DETACHING THE CABLE OF THE WHEEL RPM SENSOR ON THE LEFT AND RIGHT .
Refer to IF INSTALLED: RELEASING LINE FOR THE RIGHT AND LEFT VERTICAL ACCELERATION SENSORS .
Refer to IF INSTALLED: DISCONNECTING THE PLUG CONNECTIONS OF THE ACTIVE STABILIZER .
Refer to RELEASING THE THERMOSTAT OR TRANSMISSION OIL COOLER LINE FROM THE FRONT SUBFRAME .
Refer to LOOSENING THE UNIVERSAL JOINT FROM THE STEERING GEAR .
Refer to DETACHING COOLANT HOSES FROM THE FRONT AXLE SUPPORT .
Refer to PREPARING THE MOBILE TABLE LIFT .
Refer to POSITIONING THE MOBILE LIFTING TABLE .
Refer to REMOVING THE MOUNT OF SWIVEL BEARING AT THE TOP LEFT AND RIGHT .
Refer to UNSCREW THE BOLTS ON THE FRONT AXLE SUPPORT .
Refer to REMOVING FRONT AXLE COMPLETELY .
Refer to REMOVING THE LEFT ENGINE SUPPORT BRACKET .
Refer to REMOVING THE LEFT INTAKE PLENUM .

Wiring harness for the sensor system of cylinder bank 2

Courtesy of BMW OF NORTH AMERICA, INC.

Release the wiring harness mountings (1) .
Unlock plug connection (2) and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.
Release the wiring harness for the sensor system of cylinder bank 2 from the holders in areas (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Release the wiring harness for the sensor system of cylinder bank 2 from the holder in area (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Make sure that the connector of the high pressure pump (1) is not confused with the connector of the intake air temperature sensor.
If there are no colored marks (3) on the plug connections of the high pressure pump: Attach the marks.
If necessary, identify the connector using the wiring diagram by means of cable colors in area (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Release the wiring harness mounting in area (1) .
Unlock plug connection (2) and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect plug connections (1) .
Loosen screw (2) .
Release the wiring harness for the sensor system of cylinder bank 2 from the holder in area (3) .
Loosen screw (2) .
Loosen screws (4) .
Lay the grounding point (5) to one side.
Lay the grounding point (6) to one side.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect plug connections (1) .
Release the wiring harness for the sensor system of cylinder bank 2 from the holders in area of arrows.
Loosen screw (2) .
Lay the grounding point (3) to one side.

Courtesy of BMW OF NORTH AMERICA, INC.
Release the wiring harness for the sensor system of cylinder bank 2 from the holders in areas (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect plug connections (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Release the wiring harness for the sensor system of cylinder bank 2 from the holder (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Release the wiring harness for the sensor system of cylinder bank 2 from the holders in areas (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the holder of the wiring harness in area (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Release the wiring harness for the sensor system of cylinder bank 2 from the holders in areas (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the plug connection of the VANOS solenoid actuator exhaust (1) .
Unlock and disconnect the plug connection of the VANOS solenoid actuator intake (4) .
Release the wiring harness mountings (2) .
Loosen screw (3) .

Courtesy of BMW OF NORTH AMERICA, INC.
The wiring harness mountings must be released (1) .
Unlock and disconnect plug connections of the knock sensors (2) .
Guide out the wiring harness for the sensor system of the cylinder bank 2 and remove it.

Courtesy of BMW OF NORTH AMERICA, INC.