Removing the engine wiring harness for sensor system 2

NOTE: TECHNICAL INFORMATION
Additional coolant can leakage. Make sure that no coolant enters the intake port of the cylinder head.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Preliminary work

Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE ACOUSTIC COVER .
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 THE SECOND BULKHEAD AT THE BOTTOM .
Refer to REMOVING ACOUSTIC COVER AT REAR
Refer to REMOVING RIGHT FRONT-END STRUT .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to REMOVING CLEAN AIR PIPE
Refer to REMOVING ENGINE VENTILATION 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 REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
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 TANK VENT VALVE .
Refer to REMOVING THE INTAKE PLENUM

Engine wiring harness for sensor system 2

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.

Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
Read and comply with user information on using the associated special tool 12 7 060.
Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
For additional information, see: NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

NOTE: RISK OF DAMAGE
Damage to wires when disconnecting connectors and plug connections.
Sheared wires can cause a short circuit.

Do not pull on wires when disconnecting connectors and plug connections.

Unlock and disconnect the plug connection (1) from the electric coolant pump (2).
Loosen clamp (3).
Feed out the engine wiring harness (4) for the sensor system 2 and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Loosen nut (2).
Pull out and remove the retainer (3).
Feed out auxiliary coolant pump (4) and set aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect plug connections (1).
Unlock plug connection (2) and disconnect.
Loosen nut (3).
Release the clamps (arrows).
Unlock the locks (4).
Feed out the engine wiring harness (5) for the sensor system 2 and set it aside.

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

Release the clamps (arrows).

Feed out the engine wiring harness (2) for the sensor system 2 and set it aside.

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

Release the clamps (arrows).

Feed out the engine wiring harness (2) for the sensor system 2 and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and disconnect plug connections (1).
Unlock the connector (2) and disconnect the engine wiring harness (6) for the sensor system 2.
Unlock plug connection (3) and disconnect.
Loosen screw (4).
Remove the differential pressure sensor (5) and put it to one side.
Unlock the locks (arrows).
Feed out the engine wiring harness (6) for the sensor system 2 and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Feed out and remove the engine wiring harness (1) for the sensor system 2.

Courtesy of BMW OF NORTH AMERICA, INC.