First of all it is not compatible with Windows 10. If you want it working you need Windows XP. I had to spend a lot of time and hack it in order to make it working on Windows 10 - it is a lot of hassle but finally connected my car to it and didn't do what I was looking forward to... I have an E46 and was looking forward to turn on signals permanently like american style, but it didn't work for a reason - could be just my car or not the best cable tool for that feature.