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Tech Forum : Intermitent wipers are.....working intermitently!

- BMW E21 Community
   - Tech Forum
      - Intermitent wipers are.....working intermitently!
  Posted Thursday, Oct 8th 12:16am [Edit] [Quote] [IMS] [View car]

Post nr. 1609


OK, my intermitent wipers have taken the "intermitent" part a step further: they only work when they feel like it!

I cant understand what would make them work some of the time without a problem, and then get stuck half way the next day and not move from there.

Any ideas?????

  Posted Sunday, Oct 11th 1:20pm [Edit] [Quote] [IMS] [View car]

Post nr. 215


Have you checked all the linkage for wear, or it may be the motors are packing up. When it stops does the wiper motor still have power to it? If it does, then it's probably worn out brushes on the wiper motor. If it doesn't then it might be the relay, or the switch or the earth point might be corroded.

  Posted Tuesday, Oct 13th 8:34pm [Edit] [Quote] [IMS] [View car]

Post nr. 41


my second e21 had this problem and once i swappped the relay they worked fine...

  Posted Friday, Oct 23rd 12:53pm [Edit] [Quote] [IMS] [View car]

Post nr. 290


I think it is more elec then mechanical. I would change the relays and clean all the contacts first.

  Posted Tuesday, Oct 27th 1:15am [Edit] [Quote] [IMS] [View car]

Post nr. 1611


Hmmm..... I did use electrical cleaner.

It is hard to reproduce. I dont think it is mechanical, as I have tried helping them along by giving them a tug when they get stuck.



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