I've owned for a couple of years now, a IBM T30 laptop and a GT1 interface running BMW DIS v57 + SSS v32 software.
After playing around with it I have managed to use the DIS software to read and reset various fault codes reported by my car(s) ECU's. Unfortunately this is about the limit of my knowledge with this software as I have been unable to find any decent instruction manuals which highlights it's true capabilities.
I've experienced similar results with Progman. I had to google how to start this software up (bootos 3), and have successfully used it to alter the car's behaviour depending on the key used.
The capabilities of Progman is also unknown to me.
I have just recently upgraded my headlights to OEM Xenon ones, and am now facing the Check Lowbeam Lamps on the dashboard. Now I know this can be stopped by implementing a circuit which fools the check control into thinking there's a halogen bulb in the headlight when the ignition is off, BUT I've also heard that this can be reset via diagnostic software.
I'm wary not to fool about too much with Progman without a user guide as I don't want to cause any harm to my car, or stop things from working properly.
What is INPA?, is that a better alternative to DIS/SSS?
Did I really need to spend a lot of money buying a GT1 interface and a T30 laptop?
I've heard tales of people configuring their BMW's using a £25 cable. My kit cost 10x that amount, and I've not got any instructions on how to properly work it!.