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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Wed, Mar-25-2009, 06:51:04 PM   #1
notopM3
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Default Cleaning Dinan CAI air filter

Just pulled off the Dinan CAI filter...freaking disgusting! I doubt the previous owner EVER cleaned it. The sock was caked with crusty grease and the filter itself was pitch-black. I checked the local autozone and they didn't have the replacement filter...so I bought a K&N recharging kit. After I cleaned the filter and bag, I noticed a statement on the bag saying NOT to clean the filter. Is this a big deal? I've done this before with other K&N filters I've owned.
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Old Wed, Mar-25-2009, 09:47:14 PM   #2
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i wouldn't worry about it, clean it and you'll be alright. guess we know where your lack of power was hahaha
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Old Wed, Mar-25-2009, 09:58:04 PM   #3
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You should have seen that filter! At first I thought the filter sock was made out of neoprene or something. I couldn't see through it. Thickly encrusted with built up grease all the way around. I don't know how any air got through. After washing it a few times, I realized that it's actually a very fine see-through mesh material. I cleaned the filter the best I could, but I think I'm going to look for a new one. The cleaned up old one is better than before, but it's too far gone to keep. Just start fresh. I didn't bother putting the sock back on. Now that I know how to do it, I'll just check more frequently.

My family is all sick today except myself, that's why I had time to do all this today. Haven't had a chance to get the car out on the road post-cleaning. I'm on puke patrol right now.

My next project will be to clean the MAF. Looks pretty easy.
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Old Wed, Mar-25-2009, 10:00:51 PM   #4
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see....thats exactly where your low RPM power is.....clean that up and i guarantee you will see a pretty dramatic difference. and honestly ANY filter will work....they have tons of cone filters, they're basically all the same, doesn't matter at all. find one that fits and be done with it. i dont run mine with that screen bag thing, get some MAF cleaner at autozone too and do it up.
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Old Wed, Mar-25-2009, 10:50:16 PM   #5
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Old Thu, Mar-26-2009, 02:30:12 PM   #6
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I just bought a new dinan air filter
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Old Thu, Mar-26-2009, 10:53:02 PM   #7
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Quote:
Originally Posted by OahuMPower View Post
I just bought a new dinan air filter
My Dinan CAI uses a K&N canister filter. $65 at autozone.
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Old Thu, Mar-26-2009, 11:38:55 PM   #8
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Quote:
Originally Posted by notopM3 View Post
My Dinan CAI uses a K&N canister filter. $65 at autozone.
Or clean it and oil it for $10
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Old Thu, Mar-26-2009, 11:42:08 PM   #9
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are we talking CAI? They are suppose to be oily. Did you re-oil it after it was cleaned? Did you let it sufficiently dry?
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Old Fri, Mar-27-2009, 05:12:29 AM   #10
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are we talking CAI? They are suppose to be oily. Did you re-oil it after it was cleaned? Did you let it sufficiently dry?
Yep, CAI...got the K&N recharging kit and cleaned it, let it dry, then re-oiled it (getting overspray all over my recently washed car ), even though the filter cover says specifically NOT to clean. I think I'll just get a new filter just because the old one was absolutely HAMMERED. I'm talking pitch-black dirty. It cleaned up OK, but still a bit grayish.

I'll tell ya', the engine sounds different now with a more aggressive meaty growl. Acceleration has greatly improved as well. I seriously don't know how any air got in there before.
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Discussing Cleaning Dinan CAI air filter in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)