Seems like that went on a compressor bolt best I remember. I cant look right now as the powers out here from the hurricane. I'm on my notebook computer and the pics are on my main machine from when I did my compressor replacement.

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Just BMW's - All cars and trucks was two pages long
1994 318is
1997 528i
2000 323i
2001 X5 3.0 auto
2005 X5 3.0 auto
2011 535xi auto
2013 X5 xdrive35 Turbo
More are at my website

Aftermarket E53 Radio Install