Thread: Jlevi SW | BMS Power Box for Non-Turbo 6 Cyl
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      12-08-2009, 05:54 PM   #8
SV Concepts III
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Drives: BMW Duh
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There will be a marginal improvement but it overall will have no effect. Now most install it and drive the car like a madman so this would of course be an issue for MPG
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