Yes, I wasn't expecting this as much on the starter because the solenoid cap back in my day was usually bakelite, but I guess maybe now it is plastic! It was one of the earlier threads where the guy found this to be the problem that got me thinking!

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1988 325is (purchased new) sold
2004 X5 3.0 2005 X3 2.5
2008 X5 3.0 (new to me)