Oiled air filter

[evanb]

How often should you clean them?

[ccssid]

for the last 10 years...once a year. I have two filters and I rotate them . Probably could get by once every two years as I have a garage queen and only drive the S4 six months out of the year.

[RoofRails]

How often should you clean them?

Whenever they become visually fouled. That's my indicator. When they start looking ugly I clean them. Its probably more then is needed but I like mine looking fresh. If you were into logging you can monitor the performance of your intake system by logging the delta of AMP_MES vs PDT_MES and that will indicate how free your intake is flowing.

[Fresh.S4]

what are those measurements doing? reading cfm?

i clean every 5k regardless.
can i get a chart that lists every reading.... im sure you ladies are dying to know about my car lol

[JRYtheS4]

what are those measurements doing? reading cfm?

i clean every 5k regardless.
can i get a chart that lists every reading.... im sure you ladies are dying to know about my car lol

I'm so confused

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[RoofRails]

what are those measurements doing? reading cfm?

i clean every 5k regardless.
can i get a chart that lists every reading.... im sure you ladies are dying to know about my car lol

It's a pressure measurement. Ambient pressure vs the pressure at the inlet.

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