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      01-22-2013, 03:56 AM   #37
insane79
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Drives: E90 lci
Join Date: Apr 2012
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Quote:
Originally Posted by NuBeetle View Post
Ha! In fact our stock E9X LCI muffler is pretty good at low and mid range performance, since there's a flap valve in the muffler while PE doesn't have.
But sound wise, PE is superb! Try do some other modifications to go with your PE, such as BMS PBX / AA Tune, a high flow filter / air intake system, Okada plasma direct coil pack, etc. I believe the outcome will be nice for our N52 engine!
What is AA Tune? any idea how is the bmw performance air intake?

Quote:
Originally Posted by NuBeetle View Post
P.S. The staff from the parts shop told me that our Euro spec. E9X LCI 323i 325i comes with a sport muffler (with flap valve) as stock, which was equipped with M-SPORT E9X 323i 325i in Pre-LCI period.
if our cars come with sports muffler stock then why does it sound like a pussy?
there is no stock sound at all.
Is no 20 in diag the flap valve you talking about? this is my exhaust diag i got from real oem.

Last edited by insane79; 01-22-2013 at 04:08 AM.