Just had my E36 328i coupe done, Aircon was none-existant, could hear it kicking in but not even 1 degree of change to the air coming from the vents.
Vacuum test and regas cost me £35.25 !!! It now works great.
Foster & sims LTD, Crofton drive, Allenby Industrial estate, Lincoln.
Very friendly chatty owner who offers a constant stream of tea/coffee while you wait