On the left are my rear tires, on the right are my front tires. All four tires are the same age with the same milage, 3 years, 30,000 miles. My 1er doesn’t have an LSD so I haven’t been doing burnouts, drifts, nor donuts, as the one wheel peel is just simply embarrassing. I always keep them at the correct factory recommended​ pressures The tires haven’t been rotated as the rears are wider than the fronts. So why, may I ask, is there such a large difference between the tires in wear?

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