Removing the wiring harness for the sensor system of cylinder bank 1

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 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 COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
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 PARTIALLY RELEASING THE RIGHT CHARGE AIR LINE .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 1 .
Refer to REMOVING OIL FILLER NECK .
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 RIGHT CHARGE AIR COOLER .
Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
Refer to REMOVING THE CONTROL UNIT BRACKET FOR CYLINDERS 5 TO 8 .
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 RIGHT INTAKE PLENUM .

Overview graphic for the wiring harness for the sensor system of cylinder bank 1

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock the wiring harness for the sensor system of cylinder bank 1 in driving direction at the clamp (1) .
Feed the wiring harness for the sensor system of cylinder bank 1 (3) upwards out of the guide tab (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Remove the foam part (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the plug connections in arrows area.
Release the wiring harness mountings (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the plug connections in arrows area.
Release the wiring harness mountings (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect plug connections (1) .
Unclip the wiring harness for the sensor system of cylinder bank 1 at the bracket (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Release the vehicle wiring harness in the area (1) .
Release the nut (3) .
Feed out the cable heads (2) .
Loosen screw (4) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the plug connections in arrows area.
Release the wiring harness mountings (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Release the wiring harness mountings (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the plug connections in arrows area.
Release the screws in areas (1) .
Unclip the connector from the holder in the area (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect the plug connections in arrows area.
Release the wiring harness from the holder (1) .
Feed out the wiring harness for the sensor system of cylinder bank 1.

Courtesy of BMW OF NORTH AMERICA, INC.