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.

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

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE INTAKE PLENUM .
• Refer to INSTALLING ACOUSTIC COVER AT FRONT .
• Refer to INSTALLING BOTH COOLANT EXPANSION TANKS .
• Refer to INSTALLING INTAKE SILENCER HOUSING .
• Refer to INSTALLING THE DESIGN COVER .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING CORROSION PROTECTION COVER .
• Refer to INSTALLING SOUND INSULATION AT THE CENTER OF THE BULKHEAD UPPER PART .
• Refer to REMOVING/INSTALLING TRAILING LINK AT TENSION STRUT TOWER .
• Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT ON THE RIGHT .
• Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT ON THE LEFT .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING BATTERY HOUSING (ENGINE COMPARTMENT) .
• Refer to INSTALLING AUXILIARY BATTERY (ENGINE COMPARTMENT) .
• Refer to CONNECTING NEGATIVE BATTERY CABLE (ENGINE COMPARTMENT) .
• Refer to FILLING THE LOW-TEMPERATURE COOLANT CIRCUIT WITH THE VACUUM FILLER DEVICE .
• Refer to BLEEDING THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to CHECKING LOW-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
• Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLER DEVICE .
• Refer to BLEEDING THE HIGH-TEMPERATURE COOLANT SYSTEM .
• Refer to CHECKING THE HIGH-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .