I just did this on my Bavaria 37 Exclusive. I removed the table from the cabinet (it was screwed and glued on to the cabinet and required a wood chisel) and unscrewed the cabinet from the sole... and installed a Springfield Air-Powered 3-Stage Pedestal
SKU: IB00458594
1 $350.98
from iBoats.com.
It lowers to 12.5" and rises to 28.5" and feels quite stable.. now I just have to get a 49" by 27" by 5" cushion made.. which I will store in the Aft cabin ceiling under the cockpit sole... should be out of the way there.