Withdrawal
Turn the knurled nut on the air mass meter connector to the left and remove. Loosen the air hose clamp. The illustration shows the air filter of models 320i, 325i, 328i.
Loosen the nuts -1- of the rubber supports and pull out the air filter housing together with the air mass meter.
Models 320i, 325i, 328i: Remove the intake air/coolant thermostat bolt from the underside of the air filter box and remove the sensor. Note: The thermostat regulates the coolant supply for heating the throttle valve assembly depending on the intake air temperature.
Installation
If removed, insert intake air temperature sensor with new O-ring and tighten down.
Place air cleaner housing on rubber support -6-. The illustration shows the air filter of models 316i, 318i.
Tighten bolts -8-.
Position intake funnel -13-.
Put the air hose on the body and secure with a clamp.
Connect the air mass meter connector and turn the knurled nut to the right.