Diff is sitting in my work area with the cover off. Great success today.
Was able to drop the diff using easily obtainable tools and without removing the exhaust.
I've got quite a few pics, I'll post them up when I'm done. I'm thinking of starting a new thread as a howto.
Here's two pics
'08 E90 335i 6MT. VM 6466g2 kit. Stage3+ Fuel-It with FPR return, BMS PI injection, undergoing widebody treatment
'09 Z4 sDrive35i DCT, MHD Backend flash, JB4, DCI