Installing the knock sensor of cylinders 4 to 6

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

Courtesy of BMW OF NORTH AMERICA, INC.

• Connect and lock the connector (1)  .

  The connector (1)  must engage audibly.

Follow-up works 

• Refer to INSTALLING THE INTAKE PLENUM .
• Refer to INSTALLING SOUND INSULATION AT THE CENTER OF THE FIREWALL UPPER PART .
• Refer to INSTALLING THE TENSION STRUT ON THE STRUT TOWER .
• Refer to INSTALLING THE HOLDER FOR THE DME CONTROL UNIT .
• Refer to INSTALLING THE DME CONTROL UNIT .
• Refer to INSTALLING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
• Refer to CONNECTING THE CONNECTOR WITH THE DME CONTROL UNIT AND THE POWER DISTRIBUTION BOX (PDM) .
• Refer to INSTALLING COVER FOR THE DME CONTROL UNIT .
• Refer to CONNECTING THE COOLANT HOSE TO THE RADIATOR OF THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION .
• Refer to FILLING THE LOW-TEMPERATURE COOLANT CIRCUIT WITH THE VACUUM FILLER DEVICE .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to CONNECTING THE NEGATIVE BATTERY CABLE .
• Refer to INSTALLING THE LUGGAGE COMPARTMENT FLOOR COVERING .
• Refer to BLEEDING THE LOW-TEMPERATURE COOLING CIRCUIT .