View Single Post
      11-03-2014, 12:20 PM   #12
HP Autosport
General
United_States
1996
Rep
34,919
Posts

Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

iTrader: (34)

Quote:
Originally Posted by joelcn91 View Post
It ended up being a tiny crack in the charge pipe, an bad plugs… I changed both an the problem is gone. Now I get misfires on cold start that go away when the car warms up??? o2 sensor maybe? Happened after changing the downpipes to catless...
Check your plugs. Any codes?