Wondering how you got the black plastic top off? I have the replacement bosch part (BO 3 340 522 025), but can't seem to yank the plastic off, as you've clearly done by the looks of the picture!
Quote:
Originally Posted by Chad300tdt
You can glue the finger of a nitrile glove over it to seal the tear, but it doesn't last as long as the original diaphragm. Bosch sells replacement diaphragms. Someone will probably post where you can get them.
EDIT: Here's a pic of what I mean:
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