BMW Engine Oil Separator Breather Hose URO 11 15 7 532 649

1. step 1 : Removing the Air Filter Box 0:25

   • Remove the air collector push pin retainers
   • Remove the air collector
   • Disconnect the MAF electrical connector
   • Loosen the air filter box hose clamp
   • Disconnect the air tube from the air filter box
   • Release the air filter box lever latches
   • Remove the air filter box lid
   • Remove the air filter
   • Remove the two 10 mm bolts securing the air filter box
   • Disconnect the wiring from the retaining tab
   • Remove the air filter box

2. step 2 : Removing the Cabin Air Filter Tray 1:54

   • Unlock the three twist locks to release the cabin air filter cover at the rear of the engine compartment
   • Remove the cabin air filter
   • Remove the four T30 screws along the rear of the cabin air filter tray
   • Pry the tabs along the wiring retainer to remove the wiring
   • Remove the cabin air filter tray

3. step 3 : Removing the Oil Dipstick Tube 2:39

   • Remove the weather stripping from the drivers side engine compartment barrier
   • Remove the twist lock to remove the engine compartment barrier
   • Remove the vacuum hose and wire from the engine compartment barrier
   • Disconnect the two hoses from the intake snorkel
   • Loosen the two hose clamps on the inner end of the intake snorkel with a 6 mm socket or flat blade screwdriver
   • Remove the intake snorkel
   • Remove the fuel line and small vacuum line from the retaining bracket near the dipstick tube
   • Remove the 13 mm bolt securing the dipstick tube
   • Disconnect the vacuum hose from the dipstick tube
   • Remove the dipstick tube

4. step 4 : Removing the Oil Separator Breather Hose 7:45

   • Disconnect the purge solenoid electrical connector
   • Pull out the purge solenoid and disconnect the hoses from it
   • Disconnect the upper electrical connector from the driver side of the intake plenum
   • Disconnect the electrical connector below the driver side of the intake plenum
   • Disconnect the alternator and camshaft sensor electrical connectors
   • Remove the 10 mm wiring junction bolt
   • Remove the two 10 mm wiring junction nuts
   • Cut the wire tie securing wires to the rear driver side corner of the intake plenum
   • Disconnect the electrical connector at the rear of the intake plenum
   • Disconnect the oil separator breather hose from the crankcase ventilation housing

5. step 5 : Installing the Oil Separator Breather Hose 11:29

   • Connect the oil separator breather hose to the crankcase ventilation housing
   • Reconnect the oil temperature sensor electrical connector
   • Install the electrical junction onto the mounting studs
   • Secure the electrical junction with the two 10 mm nuts and 10 mm bolt
   • Reconnect the throttle body electrical connector
   • Reconnect the crank sensor electrical connector
   • Reconnect the alternator electrical connector
   • Reconnect the electrical connector at the top driver side of the intake plenum
   • Reconnect the idle air control valve electrical connector

6. step 6 : Installing the Oil Dipstick Tube 13:43

   • Replace the oil dipstick tube O-ring, if necessary
   • Make sure not to drop the O-ring into the engine if you need to remove it
   • Install the oil dipstick tube into the hole
   • Secure the dipstick tube bracket with the 13 mm bolt
   • Reconnect the breather hose to the dipstick tube
   • Reinstall the fuel line retaining clip to the dipstick tube and secure the fuel line in it
   • Reconnect the intake snorkel to the throttle body and idle air valve
   • Tighten the two worm clamps
   • Reconnect the vacuum hoses to the intake snorkel
   • Install the engine compartment barrier
   • Secure the barrier with the twist lock
   • Install the hose and wires into the barrier
   • Install the weather strip on the barrier
   • Install the purge solenoid onto the bracket
   • Reconnect the hoses and electrical connector to the purge solenoid
   • Install the dipstick into the tube

7. step 7 : Installing the Air Filter Box 19:21

   • Lower the air filter box into position
   • Install the two 10 mm air filter box bolts
   • Install the air filter
   • Slide the air filter cover onto the air tube
   • Secure the air filter cover with the lever latches
   • Reconnect the MAF electrical connector
   • Tighten the air filter cover hose clamp
   • Insert the air collector into the air filter box
   • Secure the air collector with the push pin retainers

Tools needed

• Side Cutters

  13mm Socket

  Socket Extensions

  Flat Blade Screwdriver

  6mm Socket

  T30 Socket

  10mm Socket

  Ratchet

  Needle nose pliers

  Pliers

  Pick