Adapter from older round 20 pins BMW diagnostic connector (engine compartment) to OBD-2 plug

Optimal to make car diagnostic with fitting software and a common KL interface. It should be noted that this cable is suitable for the special BMW diagnostic interface, in which the pins 7 and 8 on the side of the OBD-2 connector are connected.

Length: 30 cm

Pin	Function
14	Battery +12V
15	Diagnose Datenleitung RXD (L-Leitung)
17	Diagnose Datenleitung TXD (K-Leitung) bei 4-Zylinder Benzinmotor
19	Ground
20	Diagnose Datenleitung TXD (K-Leitung) bei 6-Zylinder und größer

Wiring OBD-2 plug to the BMW plug:

OBD II                BMW
Pin                   Pin

16 ------------------- 14
8  ------------------- 15
                    -- 17
7  ----------------| 
                    -- 20
4  --
     |---------------- 19
5  --

Picture similarly

Select picture to enlarge, please.