I have started doing front and rear. Like was said above not on the diff fins but just ahead of that will be fine. For the front, drive up on some 2x10s to get access to the front central jacking point and lift from there.
08 E90 | Jet Black / Black | 6MT
Mods: RAC RG63 w/ Pirelli Corsa 255F/285R | Akrapovic Evo Exhaust | OEM Blacklines
Winter Setup: OEM 18s w/ Nokian Hakkapeliita R 245/40-18