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Old 05-16-2007, 01:45 AM   #7
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Join Date: Oct 2005
Location: Phoenix
Posts: 6
My Ride: 330i
The part #s are different. Mine are Bilstein Sports. Those may be bilstein HD? The bilstein sports are supposed to be used with the stock sport suspension or lowering springs. The bilstein HD has a longer piston rod. I think.
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