This is the older style with ridged oil cap. Great condition, clean mating surface, I just never got around to installing and now I'm selling my 635CSi.

P/N 1277744

$100 + shipping to 91320.

-Pete
https://drive.google.com/file/d/1rk5...ew?usp=sharing
https://drive.google.com/file/d/1xEc...ew?usp=sharing
https://drive.google.com/file/d/1YR8...ew?usp=sharing