Remove the engine wiring harness for sensor system 1

Preliminary work 

• Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
• 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 DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE COWL COVER .
• Refer to REMOVING THE CENTER COWL UPPER PART .
• Refer to REMOVING SUSPENSION STRUT BRACE .
• Refer to REMOVING TRAILING LINK AT SPRING BOLT .
• Refer to REMOVING THE ENGINE CONTROL UNIT COVER .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING ACOUSTIC COVER AT REAR .
• Refer to REMOVING TANK VENT VALVE .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
• Refer to REMOVING THE STIFFENING PLATE .
• Refer to REMOVING REAR UNDERBODY PROTECTION .
• Refer to REMOVING THE ACOUSTIC COVER OF THE OIL SUMP .
• Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY .
• Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to CONNECTING THE COOLANT LINE TO THE AUXILIARY COOLANT PUMP .
• Refer to REMOVING LOW-TEMPERATURE COOLANT EXPANSION TANK .
• Refer to REMOVING THE INTAKE PLENUM .

Engine wiring harness for sensor system 1 

Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect plug connections (1).
• Unlock plug connection (2) and disconnect.
• Unlock and loosen the cable clip (3).
• Loosen the clamp (arrow).
• Feed out engine wiring harness (4) of sensor system 1 and set aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Loosen clamp (1).
• Loosen clamps (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Release the screws (1).
• Feed out the support (2) for the intake plenum and remove it.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect plug connections (1).
• Unlock plug connection (2) and disconnect.
• Unlock plug connection (3) and disconnect.
• Release the clamps (arrows).

  Courtesy of BMW OF NORTH AMERICA, INC.

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

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect plug connections (1).
• Unlock plug connection (2) and disconnect.
• Unlock plug connection (3) and disconnect.
• Release the clamps (arrows).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Loosen screws (1).
• Unlock the lock (arrow).
• Remove the wiring harness section (2) and put to one side.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Loosen screws (1).
• Feed out engine wiring harness (2) of sensor system 1 and set aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect plug connections (1).
• Release the clamps (arrows).
• Feed out engine wiring harness (2) of sensor system 1 and set aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock plug connection (1) and disconnect.
• Release the clamps (arrows).
• Feed out engine wiring harness (2) of sensor system 1 and set aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed out engine wiring harness (1) for sensor system 1 and remove it.

Courtesy of BMW OF NORTH AMERICA, INC.