Which version of INPA for '89 M20?

[AndyTouring]

I've just tried to run INPA diagnostics on my mates '89 320 but the oldest model it seems to cater for is the E31 8-series.

Same goes for DIS.

Car doesn't show up for either programs. We're using a Cable Shack round connector adaptor to a Cable Shack OBD2/usb cable.

While I'm on the subject, is there any way to synchronize the size of the DIS screen to the virtual window. It's a real pain having to jump in & out the window to scroll up & down.

[bimanut]

Ads interface is the one I believe.can be got from eBay.