Added some R410a to the Santa Fe and it's working great.
The low side pressure came up from 40-50 PSI to about 90 PSI.
Couldn't get it over 100 PSI, so I stopped trying and turned off the flow.
I'm buying some of this sealer..
"Product Description
Pro Seal - Up to 4 lb System - AC Stop Leak - Sealant formula developed by NASA for critical systems such as space flights, submarines, ect.
Sealant Can - Compatible will all oils (Mineral, POE, Pag, ect.) and all refrigerants including 410A. Will seal most small leaks in Air conditioning systems. "
R-134a R12 R22 R410A Pro Seal Super Stop Leak Envirosafe, Refrigerant 4 oz can | eBay
I wonder if this stuff will work on a leaky BMW?