I will note that I'd recommend focusing on the front before you do anything with the rear. All of the rear work is easily accomplished on jack stands. It's pulling the subframe that will be a lot less pleasant.

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2011 M3
2006 Sierra 2500HD 4WD LBZ/Allison
2004 X5 3.0i 6MT
1995 M3 S50B32
1990 325is
1989 M3 S54B32

Hers:
1989 325iX
1996 911 Turbo