SL55/63/65/R230 AMG: My SL55 just got a facelift...
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Join Date: Sep 2010
Location: Central NJ
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335i
From what I hear is that the MCT thats going into the 5.5 Biturbo models is different from the variants were seeing in the 6.3 AMG E63 and SL63. I'm pretty sure its derived from the 7-Gtronic (722.6) which can't handle anymore than 560 ft-lb if I can recall.