Thankfully its only for major events so shouldn't be in force for our trip, but charging £5 per day for Brunchen parking starts this year......
http://bridgetogantry.com/2/index.ph...he-nurburgring
It says "The charges will apply to all three car parks that fall under the ownership of the Herschbroich and Müllenbach councils" so we have to assume that'll be Brunchen, Pflantzgarten and one other (not sure where though!)