Just had mine done on my '99 323i about a month ago.
It's not a major issue to drive on it as long as you don't take forever to get it repaired. You could run into issues with tire wear and related problems if you let it go for the next few months.
I drove on mine for about 2-3 weeks until I could get it in.
Dealership wanted $500 (+ a front end alignment)
I went to a new shop here in town and he has all former BMW dealership mechanics and they did it for $300 :thumbup: :thumbup: :thumbup:
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