[blxxlee]

Originally Posted by Schultz28

If you don't want a CEL, I have heard from a couple forum members these work well: http://www.bigdaddiesgarage.com/mini-cat-cel-fix.html

One of them has been using it for 2 years now on his M2 and no issues.

This is interesting, I will try this on my s2000 w/ high flow cat that still throws CEL