That's your problem right there, huge alloys with minimal sidewall that's reinforced so passes on noise and any road imperfections (larger than a grain of rice...) directly to you. You can get non-runflat versions for your 19"'s which will improve the ride and noise. Just stay away from concrete motorways.19 inch Michelin Primacy Run Flats
19 inch Michelin Primacy Run Flats