I just did the break in oil and differential change today. I used two jacks and these from Jackpoint Jackstands. Not shilling for them, but have used them for years and have bought different block pads for different brands. These worked perfect in the pinch welds and as far as I can tell I didn’t bend anything or damage the rockers.
The Block Pads use the same Jackpoint base as the standard or low profile pads. The Block pads are designed to work with BMW and Mercedes vehicles that have a rectangular plastic block at the factory lift point. The Block pad can be used instead of the BMW/Mercedes adapter blocks on our Standard...
jackpointjackstands.com
I use the whole setup when changing wheels for the season or track event etc. But, they are too low for doing work under the car so I use the pinch weld block pads to get the car onto Race Ramp wheel cribs when I need more clearance to do oil/diff changes etc.
Available in several heights, these cribs all come in sets of two, and are offered as single piece or two-piece designs. They'll provide better maneuverability underneath your car.
www.raceramps.com
Again, not shilling for anybody, just showing what has worked for me over the years with difficult to lift cars like we have. FWIW, I have a CT4-V BW. This is the only crappy pic I took, but you get the idea I’m guessing.