Installing knock sensor of cylinders 1 to 3

• Clean the contact surface of the knock sensor at the crankcase.
• Feed in and install the knock sensor (3)  .
• Tighten down screw (2)  .

Courtesy of BMW OF NORTH AMERICA, INC.

• Connect connectors (1)  and lock.

  The connector (1)  must engage audibly.

• Feed in and install the support (2)  for the intake plenum.
• Tighten down screws (1)  .

Courtesy of BMW OF NORTH AMERICA, INC.

• Secure clamps (1)  .
• Secure clamps (2)  .

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE INTAKE PLENUM .
• Refer to INSTALLING THE TANK VENT VALVE .
• Refer to INSTALLING THE LOW-TEMPERATURE COOLANT EXPANSION TANK .
• Refer to ACTIVATING THE 48 V ELECTRICAL SYSTEM .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
• Refer to INSTALLING THE STIFFENING PLATE .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .