You need to get the 740 rear diffuser and superstring exhaust from the older 645 which will fit the proper conversion
Originally Posted by Avipitz
I also own a 730 and considering the dual exhaust upgrade, I just wanted to know if the exhaust tips on your right side are connected to any exhaust pipe or are they just installed without being connected, because the 730 has only one side exhaust.
2012 BMW 640i (AC Schnitzer Package)
2011 Mercedes E250
2007 Ford Mondeo
"Age is but a statistic that has no relevance to enjoyment of horsepower"