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-   -   K&n 2004 325i (http://www.maxbimmer.com/forums/showthread.php?t=155197)

G12 01-10-2013 05:38 PM

K&n 2004 325i
 
When installing a k&n cold air intake when do you allocate the MAF sensor?

G12 01-10-2013 05:58 PM

*where

jabela 01-11-2013 01:10 AM

You shouldn't have to relocate the MAF. Also make sure not to over oil the filter, as it will gunk up the MAF.

jabela 01-11-2013 01:16 AM

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

G12 01-11-2013 06:59 PM

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?

jabela 01-11-2013 07:10 PM

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.

G12 01-11-2013 07:22 PM

Okay good to know, I might need to get a different heat sheild then. Thanks again!

Barnsdale 01-11-2013 07:27 PM

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

G12 01-11-2013 07:31 PM

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.

ac_2007 01-12-2013 12:14 AM

Quote:

Originally Posted by Barnsdale (Post 1594508)
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 (Post 1594510)
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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