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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 11-10-2012, 08:32 PM   #1
T Mac
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Join Date: Oct 2012
Location: central Illinois
Posts: 11
My Ride: 325i
AFE Filter - sprayed a dry filter

On week 2 of ownership of my '04 325i. Previous owner had the AFE intake installed and I have used K&N filters on Injen intakes in some previous rides. Those needed to be cleaned and recharged with oil spray from time to time. My BMW filter was dirty, so I thought I'd clean it today. Got it looking clean, then sprayed it with the K&N cleaner. But now I found out this was a dry AFE setup.

Anyone know if this means I have to scrap this filter and order another?

Thanks.

Last edited by T Mac; 11-10-2012 at 08:58 PM.
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Old 11-10-2012, 09:03 PM   #2
jared_wiesner
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My Ride: 1999 328i
I would just to be safe, dry filters are often made of a paper or other fibrous element that will turn to a mush/get denser and harden and loose its ability to trap dirt or flow air after its been oiled or even gotten very wet. I would just get another filter at this point rather than mess with it.
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Old 11-10-2012, 09:27 PM   #3
T Mac
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My Ride: 325i
That's the way it looks from what I am reading more now. $75 to replace the filter. Crap.
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Old 11-11-2012, 08:37 PM   #4
T Mac
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My Ride: 325i
Update: turns out it was not a dry filter and should be oiled. I just used K&N spray instead of AFE oil.
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Old 11-11-2012, 10:58 PM   #5
jared_wiesner
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Then your all set, good to hear
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