After replacing my guibo and CSB, it appears that we're going to need a driveshaft. I've done some snooping and found two relatively inexpensive options - Buy Auto Parts
https://www.buyautoparts.com/buynow/...aft/91-00728_R and Driveshaft Specialists of Texas
http://www.driveshaftspecialist.com/...0html/BMW.html. Does anyone have experience with either of these suppliers? Or have any other options to suggest?