Given
50%
while driving a
BMW M240i
(225/45 R17) on
a combination of roads
for 10,000
spirited miles
Really struggled with these tires, which came as standard on the car, a 2017 BMW M240i.
Did several track days, and experimented with wildly varying pressures to try and find some kind of decent compromise between extreme outside wear and grip. Low pressures gave the best track times (~2.2bar) but they wore very quickly, all the way over the edge of the tire, scraping off the Bridgestone marking. Totally inadequate grip for the power of the car, but good for practicing throttle control with DSC off.
They tramline horribly, to address this I ended up running at 3bar, which gave the most comfortable feel for normal daily driving.
Very good wet traction though, and completely adequate for road use, but not a good tracking option