Attached is a relevant SIB for those driving a 745i or 745iL.
I replaced my Guibo joint. After resetting the transmission adaption values, it took my car almost a week to smooth out the 2-1 downshift shift, although I'm not running the most recent transmission software.
2005 745i Individual
E65/E66 Parts for Sale:
Alpina Type 743 Front Spoiler complete retrofit kit (new in box) $1200