View Single Post
      02-15-2013, 09:30 PM   #3
cfm56d7b
Lieutenant
United_States
44
Rep
557
Posts

Drives: 2017 440i Gran Coupe
Join Date: Nov 2012
Location: Orange County, CA

iTrader: (2)

Still researching this topic and cannot find a definitive answer. Short of having a BMW engineer explain the differences at the component level ...