Tip-Top used to make something called a "Combi" patch, it means needing to take the tire off , but a totally reliable repair as long as not close to sidewall as pointed out, but even there it is fairly reliable if it's still in the tread.

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