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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Photo/Video/Media Gallery > Fancy New Intake Filters



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      10-25-2012, 03:48 PM   #1
GOTMH8N
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Fancy New Intake Filters

not really lol BUT not Autozone filters!

It was time to change my BMS DCIs, they were dented up and just extremely filthy and I didn't feel like trying to clean them. Found these filters for $55 shipped, HOWEVER, silly me didn't measure the BMS filter which ended up being 2.25" and ended up ordering 2.5". Sooooo, instead of admitting defeat and eating the 30% restocking fee, I went to Home Depot and found a rubber 2" plumming insert. Figured it was worth a try before giving up and sending them back. Ended up being an awesome fit; fit snugly over the BMS PVC neck and snugly inside of my filter neck. Reused the clamp from the BMS filter to secure the plumming neck.

Car noticeably spools up faster, shows you how dirty my old ones were!



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      10-25-2012, 04:24 PM   #2
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mine are pretty dirty.. i should probably wash them off or buy new ones asap
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      10-26-2012, 07:30 AM   #3
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Originally Posted by kbryce View Post
mine are pretty dirty.. i should probably wash them off or buy new ones asap
If they look dirty then they're filthy haha
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      10-26-2012, 09:26 AM   #4
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not the biggest fan of autozone, I much rather buy stuff off vendors toward bmw, but looks nice good job
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      10-26-2012, 10:28 AM   #5
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Originally Posted by missilewarriorz View Post
not the biggest fan of autozone, I much rather buy stuff off vendors toward bmw, but looks nice good job
I actually got them online from TWMmotorsports. My friend with an EVO bought his filter from there. Cheap and super fast shipping.
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      10-26-2012, 12:44 PM   #6
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With these open cones filter, I heard you are sucking in the hot air from the engine bay, which in turn, actually reduce your car's performance. The only change you'll get out of it is louder sound, and that you want to use sealed cold air for any possible performance gain, if any at all. Is this true?
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      10-26-2012, 01:28 PM   #7
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If they look dirty then they're filthy haha
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      10-26-2012, 01:42 PM   #8
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Quote:
Originally Posted by sankohuy View Post
With these open cones filter, I heard you are sucking in the hot air from the engine bay, which in turn, actually reduce your car's performance. The only change you'll get out of it is louder sound, and that you want to use sealed cold air for any possible performance gain, if any at all. Is this true?
the concept is correct. thats why many intakes have a sealed heat shield. true CAIs route away from the engine and suck up cold fresh air
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      10-26-2012, 02:33 PM   #9
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Quote:
Originally Posted by sankohuy View Post
With these open cones filter, I heard you are sucking in the hot air from the engine bay, which in turn, actually reduce your car's performance. The only change you'll get out of it is louder sound, and that you want to use sealed cold air for any possible performance gain, if any at all. Is this true?
Technically: yes.

But you're getting a LOT more air. Even if it is warm air.
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