The hartge Classics II come with an aggressive offset . Yes the fronts and rear have a grat offset but that should create and inner wear in the front, not the outer side of the tires. The rear i figured that could be the issue, will adjust the pressures.

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2011 BMW X5 35d - Titanium Gray/Black Leather PP, SPP, HIFI Radio, Manual Sunshades, Step rails, LED Coronas, Brushed Aluminum Roof Rails, HID Fogs, 22"Hartge Classic II :Front 10.5x22 - 295-30-22 Rear 12x22- 335-25-22