Just ordered an AEM X-Series wideband upstream kit with a LSU Bosch4.9 sensor. Find out how rich I am truly running from needing a de-cat, and downstream o2 sensor removal in a much-needed tune. I just wanted to set my guy with a proper and safe system before getting the Stage 2+ tune. :) It was fun...

EDIT 3: The 2011 C30 T5 M66 is 100% running great! I suppose I'll just leave it this way for a week or so and can now return to bringing all the sensors and OEM/ parts (Thermostat, spark plugs etc.)up to date, sometime replacing OEM with performance parts (Like the CBV, TCV [High heat capabilities],...

I prayed that my F-I-L didn't screw up the timing belt replacement process. He told me 2 weeks ago that he just needed to install a plate for the (Rear Timing cover plate, or something like that) because he did the timing belt, tensioner, pulley, and water pump replacement. Again, that was two weeks...