For $200 more, the stage 2 is really worth it. Slight bump in hp from stage 1, but more importantly much better response in 1st/2nd gear. Have not heard of anyone on these boards sticking with stage 1.
Originally Posted by septaken
What are the differences in the Dinan stage1 and stage 2 im new to this and want to get one of them on my 2011 550I with the m package?
2013 F10 550i M-Sport | Space Gray | ZMP | ZEC | 6-speed | Dinan Stage 3 Tune | Dinan Exhaust | ACS Springs | 35% Ceramic Tint
***On Order*** 2015 F80 M3 | Mineral Grey | M-DCT