Unfortunately, there is no dealer in my city, nearest is 2 hours drive. Thanks for the info though, now I at least know that there is a metal tip involved. I'm just praying that it comes off with the wire when I twist the boot counterclockwise to remove it....funny thing is that the small recess which you can see deep inside the new boot doesn't look threaded, so maybe I have the wrong boot?

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1986 560SL
2002 Toyota Camry
1993 Lexus