Michelin Primacy MXM4 ZP - SIZE: 225/40R18
IMO they are superior in every way to the Pirelli CINTURATO P7 All Season Run Flats that came with the vehicle.
Recommended on Tire Rack (7.2 vs 5.6)
Better dry Performance (8.7 vs 8.3)
Better wet Performance (8.5 vs 8.2)
Better handling
Better Comfort definitely less road noise (8.1 vs 7.1)\
Higher Speed Rating (149 mph vs 130 mph)
Supposedly better treadwear, won't know til they are worn out (8.1 vs 7.2)
Less expensive $810 set vs $988.
Michelin allows the tires to be patched for minor nail hits where Pirelli makes you purchase a new tire.
As an added benefit they also protect the rims from getting curbed better than the skinny factory Pirelli's as Michelins run wide and have crazy stiff sidewalls in ZP's.
Only down side I see is they weigh in 4 lbs heavier a tire which probably makes our M235i slower,
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