Curmudgeon Posted November 18, 2006 Share Posted November 18, 2006 The O-ring on the By-pass air screw for a 99 RT is not listed on the parts fich. Does anyone know the part number or a discription and source? Link to comment
Isatis_4CH92 Posted November 18, 2006 Share Posted November 18, 2006 Hello, Strangely it is not the same o'ring on every Oilhead. On my 99 RT it is a 8 X 1 (Choose Viton if you can; NBR will not last as long; don't forget to lube) On many others Oilheads it's very often 5 X 1.5 Oops: all dimensions in [mm] Link to comment
Ken H. Posted November 18, 2006 Share Posted November 18, 2006 It's about as easy to with the LBS screw in had take a drive to your local auto parts or hardware store and match it up! Link to comment
SWB Posted November 18, 2006 Share Posted November 18, 2006 Oops: all dimensions in [mm] Believe it or not, we're kind of used to working in MM. Until BMW goes to the English measuring system, we're stuck on metric. As far as the "O" ring is concerned, I've heard that the LBBS is a wear-replacement item, and not too costly. Most folks just replace the whole screw. I have: 13 54 1 342 073 - $4.80 each (Chicago BMW). That's for an R1100RT. Link to comment
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