Quote:
Originally Posted by BoostedBMW
Its nice to have another downpipe option. 
So, are electronic o2 sims the only option that we have right now to avoid a CEL? It would be so much better if we could get a mechanical fix this way bringing the car in for service without any ECU mods could be done. |
+1
This is the sole reason I don't want to get catless unless there's a mechanical fix for it.