Quote Originally Posted by Smokey Bear View Post
ecuworx do software for turning off 2nd set of sensors for the e46. I think it works for the e39 too, mostly done when removing the cats.

Its like £20 for the licence and you can make other changes too.
That's a great little program. I used it to change a good few things. It does work for the e39 as well alright.

So if the post cat sensors were throwing up errors could you just deactivate them? Even if you weren't removing the cats?