Im trying to find out what ecu i have so i can go get a spare one. I have speedtuning on my ecu now and want to go with apr now but need new ecu with no tuning on it. so if any one knows which ones i can use all help will be appreciated. the car is a 2000 a4 1.8t quattro automatic with tiptronic. atw motor code

 

anyone?? all help would be greatly appreciated!!

 

i want to know the same thing??!! and where is it mounted anyway? do you know?

 

vag-com to get the codes or even auto zone might be able to pull them, and its it located in the engine bay far far in back (you have to pull the wipers off along with the plastic over it). Then just a few bolts...