Thread: CAI
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      05-05-2019, 08:33 AM   #1
Edwebslinger
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Drives: BMW 2004 Z4
Join Date: May 2019
Location: Baltimore, Maryland

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CAI

What is the best cold air intake for my 2004 Z4 2.5? My buddy said to either get AEM, Ingen or K&N. I bought a K&N for my truck a few year back and it worked great but I can't really compare it with this car.
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