Last week, I posted an article about rebuilding the Behr “wingcell” (rotary vane) A/C compressor from the FrankenThirty (my salvage-titled 1988 BMW E30 3 Series). The idea was that the car isn’t worth ...

The compressor is the power unit of the air-conditioning system that puts the refrigerant under high pressure before it pumps it into the condenser, where it changes from a gas to a liquid. A fully ...