Removing the engine wiring harness for sensor system 1

Preliminary work 

• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE SEAL FOR THE HOOD REAR .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
• Refer to REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
• Refer to REMOVING STAND FOR THE HOOD GASKET LEFT AND RIGHT .
• 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 LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE COWL COVER .
• Refer to REMOVING THE BULKHEAD UPPER PART .
• Refer to REMOVING ACOUSTIC COVER AT REAR .
• Refer to REMOVING IGNITION COILS .
• Refer to REMOVING FUEL DELIVERY LINE .
• Refer to REMOVING THE DME CONTROL UNIT .
• Refer to REMOVE THE INTEGRATED POWER SUPPLY MODULE (PDM) .
• Refer to REMOVE CONTROL UNIT BRACKET .
• Refer to DETACHING THE CHARGE AIR LINE FROM THE THROTTLE BODY .
• Refer to REMOVING THE FRONT LEFT AND RIGHT WHEELS .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
• Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
• Refer to REMOVING REAR UNDERBODY PROTECTION .
• Refer to REMOVING THE COVER PANEL FOR THE FRONT AXLE LEFT AND RIGHT .
• Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to DRAINING THE COOLANT FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to REMOVING TRANSMISSION OIL COOLER .
• Refer to REMOVING THE INTAKE PLENUM .
• Refer to BRINGING THE ENGINE TO THE INSTALLATION POSITION .
• Refer to DETACHING STEERING SHAFT AT BOTTOM FROM STEERING GEAR .
• Refer to RELEASING THE EPS WIRING HARNESS FROM THE ELECTROMECHANICAL STEERING GEAR .
• Refer to DETACHING THE LINE CONNECTION OF THE RIDE HEIGHT SENSOR .
• Refer to IF INSTALLED: DISCONNECT THE VACUUM LINE OF THE ENGINE MOUNTS .
• Refer to RELEASING THE ELECTRIC COOLANT PUMP AND COOLANT HOSES FROM THE FRONT AXLE SUPPORT
• Refer to DETACHING THE ANTI-ROLL BAR LINK FROM THE ANTI-ROLL BAR ON THE RIGHT AND LEFT .
• Refer to RELEASING THE RIGHT AND LEFT TIE ROD FROM THE SWIVEL BEARING .
• Refer to RELEASING THE LEFT AND RIGHT OUTPUT SHAFT FROM WHEEL BEARING .
• Refer to RELEASING WISHBONE ON RIGHT AND LEFT FROM SWIVEL BEARING .
• Refer to RELEASING THE TENSION STRUTS FROM THE SWIVEL BEARING ON THE LEFT AND RIGHT .
• Refer to REMOVING LEFT AND RIGHT OUTPUT SHAFT .
• Refer to PREPARING THE SPECIAL TOOL .
• Refer to SUPPORT THE FRONT AXLE SUPPORT .
• Refer to SECURING THE FRONT AXLE SUPPORT AT THE SPECIAL TOOL .
• Refer to RELEASING AND REMOVING FRONT AXLE SUPPORT .
• Refer to DETACHING THE ACOUSTIC COVER FROM THE OIL SUMP .
• Refer to RELEASING FRONT PROP SHAFT FROM FRONT AXLE TRANSMISSION .
• Refer to REMOVING FRONT AXLE DIFFERENTIAL .

Engine wiring harness for sensor system 1 

Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock the cable bracket (1) and disconnect from the holder (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock the cable bracket (1) and disconnect.
• Loosen screws (2).
• Feed out and remove the holder (3) for the intake plenum.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect plug connections (1).
• Unlock plug connection (2) and disconnect.
• Loosen screw (3).
• Release the clamps (arrows).
• Guide out the engine wiring harness (4) for sensor system 1 and place to one side.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect plug connections (1).
• Unlock and disconnect plug connections (2).
• Unlock and detach the clamps (arrows).

Courtesy of BMW OF NORTH AMERICA, INC.

• Guide out and remove the engine wiring harness (1) for sensor system 1.

Courtesy of BMW OF NORTH AMERICA, INC.