Quote:
Originally Posted by Misty
i was wondering how long they usually take to break in will it start popping soon when down shifting from 3rd to second.
Also how much should a secondary cat delete cost me? are there any diy guides on the 328xi e92.
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couple of hundred miles should be set, popping depends on N51 or N52 and air temp. N51 only pop a lil even on a hot day, N52 will pop much louder.
both pop pretty loud with secondary removed, delete should cost around $100 by muffler shop, best way to do this is use mid pip from AFe.