Quote:
Originally Posted by M3PO
I was very happy with the 231E update. That's what showed gains. I FELT that. When I came back for the tune, I didn't feel anything worth $1000.
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Crystal clear now. 
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2014 E63 AMG-S
2012 C63 AMG (P31) - gone
2011 E90 M3 FBO - gone
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