Originally Posted by Rochester BMW
how do BMW's brakes cope with the 'ring?
or will i have to scrape them off the road after 3 laps?
The Ring (NS) isn't a brake killer actually. The long distances inbetween bends are there to 'cool' the brakes + you(in general) don't drive/race there like on any other trackday because of the other tourists and the 'danger' of the Nordschleife. 3 laps in a row is a lot. But after each lap you return to the parking lot and you go through a gate (inserting a ticket) and you will start a lap all over again.
Normal trackdays on 'normal' tracks are sometimes 'brake killers' . If your brakes are good, they will cope with the NS.