I've just recently bought an E36 323i Sports touring. (1999) 136k Miles.
No matter how fast the fan is running, there just doesn't seem to be much
airflow out of the heater vents, especially the vents below the screen. The
fan does change speed with the control, from slow to fast, but just no real
change in airflow.
I tried pressing the 'recirculate' button to see if that made any difference
and it didn't (I was hoping the low airflow was due to a blocked
Any ideas as to diagnostics procedure on this fault?
Thanks for any links or ideas.
Of course. All of the airflow has to pass through the microfilter. Outside
air goes through, and inside air goes through.
Take the glove box out.
Remove the steel structure parts.
The microfilter is located at the forward section of the center console, and
it comes out into the passenger side footwell.
It is somewhat of a pain in the ass to do, but it doesn't need to be done
often. I don't recall the price of the filter, but it seems that I paid
about $25 for mine at the dealership.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.