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Old 01-29-2007, 11:45 AM   #14
arenared
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Join Date: Aug 2005
Location: USA
Posts: 27
Quote:
Originally Posted by jinijazz
PSM = TC + ABS + ABD (Automatic Brake Differential)
Not true. PSM adds yaw control. TC with ABD is option P37 or M222/224. All Boxsters have ABS.
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