ASSEM&reg;BMW 20 Pin OBD2 Round Diagnostic Scanner Adapter Cable for BMW E36 E46 E38 E39 E53 X5 Z3 To connect compatible diagnostic tools with OBD2 interface on a 20Pin socket BMW car Connector: BMW 20Pins male connector, OBDII 16pins female connector Kindly Note: the item is just an adapter, NOT a scanner 20Pin to OBD II 16Pin connector cable could connect BMW to the car reader for car inspection Package included: 1* BMW 20Pin to 16Pin OBD2 Adapter