Hello, my friend, I have done this before, but it is not Audi. It's Passat 1.8T in 2005. To tell the truth, after this year, I have repaired the gas money of my car, and I am not as married as you think. Really, let's talk about your car. I'm telling you, the older the car, the more wasteful it is. Forget the headache. . In short, I sincerely wish you hard.