k&n filter
05-09-2007, 01:44 PM
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i know this has been discussed many times, but i`m not sure if a filter would change the intake sound at all. i`m not looking for more intake noise just better filtration as long as it won`t clog my o2 sensor. thanks for your help.
05-09-2007, 05:36 PM
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My Ride: 2011 E92 335i M-Sport 6MT
Originally Posted by hardcashsab31' post='422702' date='May 9 2007, 02:44 PM
i know this has been discussed many times, but i`m not sure if a filter would change the intake sound at all. i`m not looking for more intake noise just better filtration as long as it won`t clog my o2 sensor. thanks for your help.
05-09-2007, 05:52 PM
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My Ride: 2013 M5 - Sakhir Orange / Black Leather.
Originally Posted by Roleez' post='422776' date='May 9 2007, 09:36 PM
I have a Dinan throttle body + K&N filter installed on my car, and the intake sound hasn't changed one bit. Still sounds the same as stock despite the increased airflow through the stock airbox.
05-10-2007, 01:41 PM
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My Ride: '05 545i - scheduled for ED pickup in Munich on 7/22!
i deleted the charcoal filter and added the k&n at the same time. that produced a slightly louder roar.
06-02-2007, 10:34 PM
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My Ride: '11 535i Space Grey Met. w/ Blk Dakota Leather, Executive Package, M-Sport Package, Dynamic Handling Package, 35% tint
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Originally Posted by hardcashsab31' post='422702' date='May 9 2007, 02:44 PM
i know this has been discussed many times, but i`m not sure if a filter would change the intake sound at all. i`m not looking for more intake noise just better filtration as long as it won`t clog my o2 sensor. thanks for your help.
I just put in the K&N and also took out the charcoalfilter. I have not noticed any increase in the intake noise at all. It still sounds exactly as it did before. I have heard that there is not any concern with the O2 sensor. In fact, my dealer is also selling this part as a "performance" upgrade. I figure they wouldn't be selling it if it was a problem.
Also, cheapest place I found the K&N (part 33-2292) filter for the E60 was on Amazon.com for $43.36 with free shipping.
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