Audi Approved is a joke at best, I think the term "Approved" applies to the ridiculous PCP deals they try and flog
They were not happy that I brought a set of vernier calipers to collect my last one, especially as all of the brake disks were so lipped they were below minimums. When I pointed this out to the service manager, he told me that they only needed to do a visual inspection, that they had done so and it had passed. I told them to replace, or keep the car.... they relented!
Disks and pads all round on a Q7 at dealer prices was over £2k, as it wasn't 3 years old it didn't even qualify for fixed price which would have brought it down to £1600
Caveat emptor