Thread: BMW Performance Power Kit?
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      02-18-2009, 05:39 AM   #2
stylish.
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Drives: 135i N55
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Wow, interesting indeed! A power upgrade that's backed by a BMW warranty.

An additional 15 kw and 50 Nm... are these good gains? Roughly how does this compare with the AA and JB3 ecu chips?
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