I'm a fan of Nokian Hakkapelitta. Ran them on our old Jeep Grand Cherokee for 120k km. and there was no cupping or other typical problems Jeep GC usually have. Bonus was they were round and rode very well. They list a Z SUV in their high performance in your tire sizes.

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On the Alberta Prairie with 2001 X5 4.4i, 2001 540i