The New And Improved Unofficial R65 Forum V2
Technical Discussion => BMW Technical Q&A, Primarily R65 => Topic started by: BooG on July 23, 2016, 05:00:18 PM
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Evening all.
Regarding o-rings: when dimensions are given, eg;6mm x 2mm, does the 6mm refer to the outer diameter or the inner diameter, and the 2mm is the thickness of the ring itself?
Just checking.....
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It's always ID and the thickness.