View Single Post
      04-02-2013, 07:32 AM   #22
aussiem3
Colonel
aussiem3's Avatar
Australia
114
Rep
2,429
Posts

Drives: Goggomobil
Join Date: Jul 2007
Location: Kangaroo land

iTrader: (1)

Garage List
2007 E92 M3  [0.00]
Quote:
Originally Posted by thekurgan View Post
My only guess would be you're running a bit on the rich side? Lots of stop-and-go situations? Short distances when cold? O2 sensors starting to age? I'll put up a photo of mine, done at 22k or so, they didn't look that bad.
What's the cause of the rich running? I've had BPM tune for about three months or so, and I don't think the build up is from that three-month period. If it's rich then how do I rectify it? I also have a BMC air filter.
__________________
E92 M3 2007 - ///PE with Test Pipes and BPM Stage II; CF Interior & Splitters; CIC with Connected Drive