i am thinking about getting this to flash my gti with, but i want to make sure of a few things first.
1. it will work
2. it can do checksums
3. i dont need anything else (IMMO tool, ect)

i was going to go with a bdm, but i dont want to open my ecu becasue i still have 6 years of warranty. i figure if this works, i can just flash back my stock ori when i go to the dealer.

the place i want to get it from says it can read and write over can, so i would hope that it can.
it also says it can do checksum calculations.

thanks for any input.

can any other tool change that?? i wonder how apr and giac do it??