So to update your tune you buy the update. I selected updates current 91/93 tune and do I have to reselect pops and crackles or just select the new add-ons? Also do I put in my old order number in the form or the new one of the update.
If you are not on the latest flash tune or have engine modification changes you will need a tune update. You need to select all the options you want in the update. We rebuild your tune from scratch. It is like getting a brand new tune but for half price.