A pair of billet aluminium adapters for M57 AC pumps. These adapters will fit pumps from all models from 2004-2009. They are threaded with common sizes for which you can obtain fittings to make your own pipework.
 
Low pressure adapter: 7/8-14 UNF
High pressure adapter: 3/4-16 UNF
 
Adapter for Defender TDCi condenser also available here
 
Supplied with genuine BMW O rings. Supplied as a pair