View Single Post
      11-22-2017, 08:08 PM   #4
DuSh
Colonel
DuSh's Avatar
2114
Rep
2,388
Posts

Drives: F15 X5 50i
Join Date: Jul 2017
Location: USA

iTrader: (0)

Quote:
Originally Posted by Stev_chu View Post
When I cold start the 50i it's pretty loud..I think it'll stay that way with the muffler deleted I'm guessing..but of course there will be more crackling sounds
I wish it stayed that way, but unfortunately that's just the engine running rich first 20 sec to warm up catalysts (for better emissions). Save the whales and such you know
Appreciate 2