View Single Post
      10-31-2012, 09:16 AM   #4
CombatNinja
Banned
CombatNinja's Avatar
19
Rep
1,587
Posts

 
Drives: e91 328i, e90 328i, e90 335i
Join Date: Feb 2011
Location: United States

iTrader: (0)

Potential downsides: constant CEL, cat efficiency codes stored, smog test hassles, warranty issues, unburnt fuel odors, and noise.

Upsides, quicker spoolup and more pow-ah.