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      02-24-2013, 12:54 PM   #575

Drives: 2010 e92 335i
Join Date: Feb 2013
Location: Los Angeles, CA

Posts: 819
iTrader: (0)

Just did this "mod". Took < 3min. Instantly noticed the sound difference upon start up. No error codes on dash. However when idling, the sound slowly dies down. I am assuming this is because the car is trying to warm up?