Thanks for the reply. On the advice of the mechanic who did the pre-purchase inspection when we bought the X5 4-1/2 years ago, I had an alignment done after replacing the bushings back then. So, the alignment was done with new bushings, which are the same brand (Meyle) as I used on this most recent replacement. So, it seems that the alignment was done with as close to the exact same configuration as I have now as possible. Of course, things have probably shifted over the years, so an alignment probably wouldn't be a bad idea, but the tires are wearing perfectly evenly, so it probably isn't urgent.

Is it possible to adjust anything other than toe on these vehicles? I know that on our E46, toe is about all that can be adjusted. If so, it makes for a very simple alignment. And contrary to popular belief, it's toe, not camber, that impacts the inner-vs-outer wear rate on tires.

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2003 X5 4.4i
1992 Porsche 968
2007 328i
2014 Subaru Forester XT