Removing the engine wiring harness for sensor system 1

Preliminary work 

• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING RESONATOR .
• Refer to REMOVING CLEAN AIR PIPE .
• Refer to REMOVING CHARGE AIR LINE .
• Refer to REMOVING THE FRONT ACOUSTIC COVER FOR THE ENGINE .
• 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 SEAL FOR THE HOOD REAR .
• 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 THE IGNITION COIL .
• Refer to REMOVING FUEL DELIVERY LINE .
• 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 FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
• Refer to REMOVING TANK VENT VALVE .
• Refer to REMOVING THE DME CONTROL UNIT .
• Refer to REMOVE THE INTEGRATED POWER SUPPLY MODULE (PDM) .
• Refer to REMOVE CONTROL UNIT BRACKET .
• 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 ENGINE SUPPORT BRACKETS ON THE LEFT AND RIGHT ENGINE MOUNTS .
• Refer to RAISING THE ENGINE WITH THE ENGINE BRIDGE .
• 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 DETACHING AND LOWERING THE FRONT AXLE SUPPORT .
• Refer to REMOVING THE ACOUSTIC COVER OF THE OIL SUMP .

Engine wiring harness for sensor system 1 

Courtesy of BMW OF NORTH AMERICA, INC.

• Feed out the wiring harness section (1) for sensor system 1 from the bracket (2) 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 plug connection (3) and disconnect.
• Unlock plug connection (4) and disconnect.
• Loosen the clamp (arrow).
• Feed out the wiring harness section (5) for sensor system 1 and place to one side.

  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).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect plug connections (1).
• Feed out the wiring harness section (2) for sensor system 1 and place to one side.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock plug connection (1) and disconnect.
• Release the holder (arrows).
• Feed out the wiring harness section (2) for sensor system 1 and place to one side.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Remove the wiring harness section (1) and put to one side.
• Loosen screw (2).
• Unlock plug connection (3) and disconnect.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed out the wiring harness section (1) for sensor system 1 and remove.

  Courtesy of BMW OF NORTH AMERICA, INC.