Eugen Hi
well no issue here in Baden Württemberg. Running ANSA on small rear bumper. Stick out. Issue was more tires and brakes.. well got even Willwood rear approved..probl only one in D land. No prop. valev..top braking
more issues on back light covers RED vs Yellow on the direction/Blinker part..
good luck keep us posted..
Matthias
P.s.: You need to google for a TÜV which understands vintage cars..
P.SS.: the Avons rear should do it..my 305 did go without issue and not used the GTS extensions