Quote:
Originally Posted by wpoll
No need - not all configurations have that screen - mine never did. Just a pin hole in the main hinged cap (that became blocked with dried detergent particles). 
*edit* See here - part #5 is missing (greyed out).
RealOEM.com - Online BMW Parts Catalog |
I recently ordered a replacement cap because I lost mine. No vent of any kind in the new one, nor any I remember in the old. I've left the cap loose for the last couple days and no fluid loss, so I think I'll drill a small hole in the cap. Problem solved. Maybe.