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      08-13-2019, 06:12 PM   #1
Nonopr01
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Washer fluid light comes on randomly.

The warning light of my 2017 M3 come up randomly even with a full washer fluid tank.
Has anyone had this issue? The service center has change the pump/sensor and tank 2 times already and today i again have the same issue.
I just use regular filter water to prevent clogs in the nozzles.
Anyone? Has anything? Searching the web a TSB comes up with no solution that i can find.
Any help will be great.
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      08-15-2019, 06:40 PM   #2
Nonopr01
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Not one person has this issue i guess.
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      02-03-2020, 09:04 AM   #3
KeoniM3
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Anyone?
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      03-17-2020, 05:17 PM   #4
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if you use demineralized water you need to know that it does not conduct electricity. Hence, the sensors cannot detect the presence of the water. Add some windshield washer fluid or alcohol. It'll work.
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