Install the electric changeover valve for the vacuum control of the coolant pump

• Connect the electric changeover valve (4)  to the holder.
• Make sure that the green O-ring between the red vacuum hose (2)  and the electric changeover valve (4)  is installed correctly.

  The vacuum hose (2)  is red.

  The vacuum hose (3)  is black.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect plug (1)  .
• Connect the vacuum hoses (2)  and (3)  to the electric changeover valve (4)  .

Follow-up work 

• Refer to INSTALLING THE INTAKE PLENUM .
• Refer to INSTALLING CONTROL UNIT BRACKET .
• Refer to INSTALLING THE DME CONTROL UNIT .
• Refer to INSTALLING THE TANK VENT VALVE .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
• Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
• Refer to INSTALLING CHARGE AIR LINE .
• Refer to CONNECTING THE COOLANT LINE OF LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to INSTALLING CLEAN AIR PIPE .
• Refer to INSTALLING RESONATOR .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to CONNECTING ALL BATTERY GROUND LEADS .
• Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to INSTALLING FRONT STIFFENING PLATE .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .