increasing negative camber increases toe out.

If the suspension is in good working order you should be able get toe in spec when camber is in spec.

Suspension components have similar lifecycles. Unless the swing arm bushings are almost completely shot I find it hard to check them accurately unless at least one end is disconnected.

Where were tires wearing most? Inside, outside, cupped, etc.

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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
Dallas