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      01-17-2012, 06:23 PM   #246
Rana135i
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Drives: 2011 135i Matte Metallic Blue
Join Date: Dec 2011
Location: Canada

Posts: 24
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the N55 didnt come from the 335is, that is still running with the twin turbo n54 its just tuned. n55 is a new engine that they have developed exclusively to the 2011+ models
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