Hi guys I'm new to this club, 60 yrs old & not great on sites like these finding old info.Just recently bought a 2017 RS5 which is a beauty. What are you guys out there thoughts on 1st stage map on these cars please, is it worth it, I know its quick now.it has full audi servicing & has covered approx 58000 miles. Any help would be appreciated, I'm sure this has been covered a thousand times but I'm not good on searching for this info