Thread: JB4 Stage 3 for N54
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      02-18-2013, 08:30 PM   #3
Normanthornhill
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Drives: Black 2009 135i M sport
Join Date: Dec 2012
Location: Houston tx

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Well, I never had my car dynod but I can tell you that thru all gears it felt twice as fast, easily. The top end though is just fabulous, car would do 186 compared to 155 that it did stock.
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