I did a corner ballance on the Z3 last Saturday. I'd planned to install 45lbs of weight. I didn't bolt it down in case I needed to move it. Well when I finished I had 695 on the LF and 696 RF, but my total weight with ~7 gallons in the tank was 2763lbs. So I'll need to add more weight, maybe ~ 20lbs should be enough. I guess I'll have to redo the corner balance. Oh yeah, Front/Rear was 50.2/49.8, I guess the car's a tank if it could take the roll and still be this close on the corner ballance