Installing knock sensor of cylinders 1 to 3

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

  Knock sensor to crankcase
  M8x30	Tightening torque	21.5 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect connectors (1) and lock.

  The connector (1) must engage audibly.

Follow-up work 

• Refer to INSTALLING ALTERNATOR .
• Refer to INSTALLING THE LEFT AIR DUCT .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING THE SEAL FOR THE HOOD GASKET LEFT AND RIGHT .
• Refer to INSTALLING THE COVER PANEL OF THE ENGINE COMPARTMENT ON THE REAR LEFT AND RIGHT .
• Refer to INSTALLING FRONT-END STRUT ON LEFT AND RIGHT .
• Refer to INSTALLING FRONT CROSS CONNECTION .
• Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to CONNECTING NEGATIVE BATTERY CABLE OF THE SYSTEM BATTERY .