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      09-26-2012, 01:11 PM   #2
3002 tii
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Drives: Z4 3.0si, X3 xDrive35i
Join Date: Apr 2008
Location: CT

iTrader: (80)

Garage List
Whatever's on BMW's synthetic approved list. I honestly don't think it matters so much, rather the interval of frequency. I change mine every 5000 miles regardless, and with every 3-4 track days.
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