Wanted to follow up on this. After discussing the Red Line D4 ATF option with a few folks, I decided to go with the standard Shell M-1375.4 instead, costlier but needed for the ZF transmission.
'04 645Ci, Saphirschwarz Pearl/Black, auto, sport, cold-weather, 19" chromes, Logic 7, 7k white angels, MP3 retro, iPod retro, black grills/gills, Bluetooth retro, upgraded microphones, piano black interior trim
'12 Nissan LEAF, Cayenne Red
'10 Victory Cross Country, Black, too much to list
'01 Honda Magna, Black, too much to list