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Old 11-04-2012, 07:47 PM   #9
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Join Date: Apr 2008
Location: Boston
Posts: 4,971
My Ride: 2003 325xi
^Its worked for me for many years/miles/races.

It's still a net increase in flow. Either mod alone works fine. I'm sure it's just Stewart covering their butt. I see no downsides. Tightens up the steering too.
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