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      09-18-2012, 09:28 PM   #20
X6///M
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Drives: 2011 X6 M
Join Date: Sep 2012
Location: Bentonville, AR

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Do you still have this? I'm assuming you only have from the axle back. Do you know how much, if any HP gain?
Please excuse me for not knowing, I'm BRAND new to BMW. This would keep the warranty from being voided wouldn't it?
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