I had my guy make me o2 sims and post o2, cats, and heater codes were gone. Read sig.
Good chance the wire was poorly soldered and it disconnected.
And the ses light wont just turn off. You need to clear the codes after you install the sim.
Former E36 M3 Owner + E46s
Last edited by zhenkaaaM3; 12-12-2012 at 06:03 PM.