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      03-14-2013, 02:09 AM   #3
Drives: m3
Join Date: Feb 2013
Location: NYC

Posts: 426
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Considering the S55 is designed after the N55 I don't think they ever went back to any drawing board. That only happened one time and one time only and that was with the s85 and s65 engines. Truly only bespoke engine's ever in a bmw
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