BMW M3 Forum (E90 E92) - View Single Post

wheeladdicts · 07-11-2011, 03:58 PM

As far as I know the track spec is more money because it is a concave center. That might have been a prototype or something new they are doing.

Look here: http://www.trakfunction.com/

07-11-2011, 03:58 PM	#89
wheeladdicts Brigadier General 229 Rep 3,173 Posts Drives: E90 M3 Join Date: Oct 2009 Location: South Florida iTrader: (3)	As far as I know the track spec is more money because it is a concave center. That might have been a prototype or something new they are doing. Look here: http://www.trakfunction.com/
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