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      07-15-2012, 02:18 AM   #6
verbs
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Drives: 2013 335i M-Sport
Join Date: Aug 2010
Location: Phoenix, AZ

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Why so little torque on the 335i? Most N55 tunes I've seen get at around 400lb-ft at those horsepower levels? Also why does the 640i get more power and torque? Isn't it the same n55 motor aside from the factory ratings differences?