front control arm bushings on 2002 BMW 325Ci

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are wheel bearing hub assemblies the same as front control arm bushings
(1) Answer
No, those are two difference parts. The control arm bushings are a smaller, cheaper part. The wheel bearing hub is a more significant part that houses all of the wheel bearings.

Control arms are commonly needed on BMWs at 60,000 to 100,000 or more miles.