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Old 01-10-2013, 05:38 PM   #1
G12
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K&n 2004 325i

When installing a k&n cold air intake when do you allocate the MAF sensor?
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Old 01-10-2013, 05:58 PM   #2
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*where
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Old 01-11-2013, 01:10 AM   #3
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You shouldn't have to relocate the MAF. Also make sure not to over oil the filter, as it will gunk up the MAF.
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Old 01-11-2013, 01:16 AM   #4
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ok, well if you have the one with the intake tube, then you put it between the tube and the filter wall.
Here's the instructions.
http://www.knfilters.com/instructions/57-1002_inst.pdf
http://www.knfilters.com/search/prod...x?Prod=57-1002
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Old 01-11-2013, 06:59 PM   #5
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Awesome thanks a lot man, I got it on today!
But I'm considering taking of the heat sheild because I don't think it's the right fit, do you think taking of the heat sheild would be okay?
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Old 01-11-2013, 07:10 PM   #6
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The heat shield is important because it keeps the hot engine air away from your intake. Without it you will lose horsepower and get lower mpg.
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Old 01-11-2013, 07:22 PM   #7
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Okay good to know, I might need to get a different heat sheild then. Thanks again!
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Old 01-11-2013, 07:27 PM   #8
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Do you notice any difference after installing it? I thought about installing one of these for my 325i in the summer and never got around to it
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Old 01-11-2013, 07:31 PM   #9
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Well I took it for a spin just down the road and back. I cleaned my MAF sensor at the same time and I had more throttle response for sure and a bit more power. And it sounds damn killer! Well worth it man, just make sure that the kit you get has the right heat shield, the one I got has no hole for air hose coming from te center of the grill.
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Old 01-12-2013, 12:14 AM   #10
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Quote:
Originally Posted by Barnsdale View Post
Do you notice any difference after installing it? I thought about installing one of these for my 325i in the summer and never got around to it
Lol, I sold mine because you just lose power in the summer. The car will bog down on a warm day, especially noticeable when you're sitting in traffic.

Read your intake air temperature with the stock intake, and then the K&N.
Stock will read lower (Hint: colder air is better)


All you're paying for is sound. That's it!



Quote:
Originally Posted by G12 View Post
Well I took it for a spin just down the road and back. I cleaned my MAF sensor at the same time and I had more throttle response for sure and a bit more power. And it sounds damn killer! Well worth it man, just make sure that the kit you get has the right heat shield, the one I got has no hole for air hose coming from te center of the grill.
Your kit should have come with 2 different plates for the heatshield.
One of them has the hole stamped through it, the other doesn't.
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