the question is not so much "can you move it", but "how easily can you move it".

they're super easy to replace if you're doing the whole arm and definitely make a noticeable difference. Also, they don't require an alignment.

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2006 Audi A3 2.0t DSG apr stage 2
2002 BMW X5 4.4
1997 BMW 328ic sport. moreagrun metallic
1989 BMW 325is with / M50b25nv swap