Fabulous thread with very useful information thanks folks! I have a 2019 Superb Wagon, 2.0 TSI 16 (DSG, Petrol) that I want to fit stiffer rear springs to (for towing, carry heavy boot loads, towbar bike rack etc) and am tossing up between the 3Q0 511 115 M (weight range 5, standard height) and the 3Q0 511 115 AR (weight range 5, increased height).
My understanding is that AR spring involves about +20mm lift, and would also require a 90mm rubber buffer (as opposed to the 70mm standard) - is this correct?
Also, obviously either stiffer spring will make the unladen ride harsher (which I am fine with), but can anyone comment as to whether the standard height spring (M) or the lifted spring (AR) will adversely affect handling when unladen?
Any help much appreciated, you guys rock!