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K & N air filter for X5 K & N air filter for X5
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  #1  
Old 08-23-2007, 06:37 PM
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I think to be honest, the K&N will not do anything performance wise for you! that you will notice anyway. If you want performance do a complete intake with throttle body upgrade. you should notice something then.
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Old 08-23-2007, 10:31 PM
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Oh I thought we were talking about CAI... my bad.
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Old 08-23-2007, 11:34 PM
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Thanks a lot for all of your opinions! I wish I would have raised this inquiry before I bought it. Now I decide not to use the K&N thing and go stick with OEM. Thanks again.
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Old 08-24-2007, 04:25 AM
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Can the K&N save me some gas?....
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Old 08-24-2007, 12:35 PM
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Quote:
Originally Posted by celicatoe46m3
Can the K&N save me some gas?....
only if you take it to a gas station and say "I'll trade you this filter for some gas".
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Old 08-24-2007, 06:08 AM
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no, a 4 cylinder Honda can though.
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Old 08-24-2007, 09:41 AM
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thats best for the X5 I think!
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Old 08-26-2007, 02:57 AM
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why dont you just use less oil for kn filter or dont use oil at all. i never had problems in past 8 years driving bmw's with sport filtes...and never use oil on filter. Some manuals also say dont put filter into oil can just spray it slightly...
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Old 08-28-2007, 03:10 AM
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try this :

http://cgi.ebay.com/ebaymotors/ws/eB...155158141&rd=1
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Old 08-28-2007, 09:47 AM
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Quote:
Originally Posted by dok47
Yes, the add cleverly states that the filter is better than other performance media, but is it as good as OEM? Remember, the job if a filter is to keep contaminates out of the engine. It is difficult to believe a filter can increase air flow dramatically and still filter as good as OEM. If there were a better filter wouldn't BMW design it in?
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