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Wow! Sorry about the bolt issue...took a bit of coaxing to get that 19mm bolt off my W124 when I was in the process of doing the same repair...but it did come out with only scraped knuckles for casualties...
...but I have lowered strut towers for my VW Super Beetle that I can NEVER install because the original lower strut mounts that attach to the spindles would not free themselves!!! Blow torch, impact wrench, breaker bars, exorcism, whatever...nothing worked!
So I eventually have to shell out $$$ to get a new set of spindles or search the boneyard for a matched set! Needless to say, I haven't had time for the VW lately, so right now, it's just a large driveway ornament!