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      09-21-2012, 07:59 PM   #32
ILSMKU
BMW FTW
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Drives: E92 M3
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Quote:
Originally Posted by ucla bruin View Post
So tempting.....
DO IT. First two runs were megan exhaust and drop in filter. The last two were after the MS pulley was added. Im not BS... I honestly FELT a HUGE difference.