When was the last time the ball joints in the steering knuckle were replaced? Also, it takes about two minutes to measure the runout of a rotor using a dial indicator; kind of surprised a shop just threw parts at it.

Wheel bearings making any noise when turning left or right?

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12 E70 3.5i xDrive
03 E46 330i ZHP
01 E53 3.0i
98 E36 323is
12 Audi A4 Quattro
79 Triumph Spitfire
73 MGB