View Single Post
      10-04-2012, 05:00 PM   #5
JordanM4
Private First Class
JordanM4's Avatar
United Kingdom
9
Rep
126
Posts

Drives: BMW M4
Join Date: Aug 2011
Location: Essex

iTrader: (0)

What makes you think its the CAT as a whole? I was thinking possibly the NOx sensor?