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      08-23-2012, 09:25 AM   #1
A Majority of One
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Drives: 2013 550xi M
Join Date: Apr 2012
Location: Greenwich, CT

Posts: 100
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2013 550 Now Has 445 HP

Tomorrow I'm trading in my 2011 550 for a 2013. I'm assuming this power increase is entirely just a change in the mapping for the engine. If that's true then I'm assuming that it's an irrelevant change if I wanted the stage 3 from Dinan. Meaning the current stage 3 would still work just the same and have the same end result as it does on the 400hp 550s. Can anyone confirm this?
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