Connect your diagnostic interface and your vehicle with this 20 pin connector cable which is specifically for BMW's.

Specifications:

RS 232 Connector	BMW Connector
1 & 2	19 [Signal ground]
8	17 & 20 [ISO 9141-2 K Line]
4	15 [ISO 9141-L Line]
9	14 [Battery power]

The brand new and unused BMW 20 pin connector to RS232 cable measures 98cm [39"].

Is This Connector Compatible With My Vehicle?

Yes - providing your car is a BMW with a 20 pin data link connector [DLC].