Does anyone know what the difference in the switches is ? It's probably something internal only which is why the cover is a different color and it looks like they are maybe interchangeable at least in one direction ??

Ahh, I think the V8s have "turn and let go" to start, maybe that or maybe heavier contacts ??

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