Quote:
Originally Posted by RossBMWZseries
Z4M_GT3’s statements contradict everything I’ve learned here in the forums about a CAI for the M. Not saying you’re wrong, just saying I’ve seen dyno proof plenty times now where the Hp and Tq seem to be higher with a real airbox, even comparing Eventuri to Afe. I was going for Eventuri, now I’m unsure. Any data would be appreciated Z4M_GT3
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I have no doubts as far as output, I guess every tuner says something different. OE tuning said AFE is crap get Eventuri, so I got it. Epic said it's crap so I got CSL, then Epic said it's crap unless it's the Bimmerworld box so I got AFE. It fluctuates I guess from tuner to tuner. Cause even with a OEM CSL airbox my friends car lost power with multiple tunes. A M3 with stock airbox did 335whp, and AFE on a Z4M did 330whp.. My personal opinion, CSL airbox with Cams and my previous ARH header setup with be PERFECT. But the overall cost for a small bump in power pushed me away. So I just did AFE with Euro headers. Cheers =)