I recently replaced the runflat Pirelli P Zero tires on my 2017 X3 35d M Sport with Continental AllSeasonContact tires in 245/45 R19 front and 275/40 R19 rear sizes. My goal was to find all-season tires that would provide better ride quality with the M Sport suspension. The Continental AllSeasonContact tires have delivered on that, providing a relatively sporty ride while also being much more comfortable than the Pirelli P Zero tires. They offer a generally softer feel and a notably higher tolerance for potholes and expansion joints.
The grip levels are high on dry roads, and they also perform very well in wet conditions, although there is some loss of feel compared to the runflat P Zero. Overall, I am very satisfied with the Continental AllSeasonContact tires, as the car is now much more comfortable, considerably quieter, and generally delivers a more typical SUV feel than I experienced with the runflat tires. I have used Michelin CrossClimate+ and Goodyear Vector Gen 3 fitments on other SUVs, and I find that Continental AllSeasonContact tires are a very good alternative.