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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Where is all of my windshield washer fluid going?



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      05-14-2017, 05:41 PM   #1
VWaddict
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Where is all of my windshield washer fluid going?

I keep filling it up, and with little or no usage, it keeps disappearing!

-I don't see any tell-tale puddles of greeny-blue liquid on the floor, so what gives?

Is there a common point for these things to lose fluid from?
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      05-14-2017, 05:51 PM   #2
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Quote:
Originally Posted by VWaddict View Post
I keep filling it up, and with little or no usage, it keeps disappearing!

-I don't see any tell-tale puddles of greeny-blue liquid on the floor, so what gives?

Is there a common point for these things to lose fluid from?
There is a plastic under tray below the car so it would not leak to the floor.

Sounds like you have a leak.
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      05-14-2017, 06:14 PM   #3
toneatles
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Do you have headlight washers? Mine were cracked and was causing a slow leak.
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      05-14-2017, 06:18 PM   #4
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Yes, I do have headlight washers in fact...
-I didn't even think about them.
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      05-14-2017, 07:03 PM   #5
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Quote:
Originally Posted by VWaddict View Post
I keep filling it up, and with little or no usage, it keeps disappearing!

-I don't see any tell-tale puddles of greeny-blue liquid on the floor, so what gives?

Is there a common point for these things to lose fluid from?
I have the same problem. I will fill my reservoir to the brim and 2 days later it will be bone dry.
I got so annoyed with it that I took the reservoir out of the car and filled it with water to see if I could find a leak, but I had no luck.
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      05-14-2017, 09:25 PM   #6
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I think my car is doing this too. My e46 always did this as well. Seems to be one of those things BMW can't get right throughout the generations
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      05-14-2017, 09:36 PM   #7
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My car does the same thing. I cant find a leak. My guess is the cap doesnt form a tight seal and the fluid evaporates.

Any way to get a new cap?
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      05-14-2017, 09:42 PM   #8
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Could be teleported to my car as seems like I never add washer fluid lately:
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      05-14-2017, 11:06 PM   #9
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Quote:
Originally Posted by toneatles View Post
Do you have headlight washers? Mine were cracked and was causing a slow leak.
+1
It is not un common for headlight washers to leak. If the headlight washers leak, even after you have the low warning you will still have some fluid for the windshield. Look under the bumper corners for signs of leak.
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      05-14-2017, 11:20 PM   #10
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On my e60, the washer pump was leaking and causing the reservoir to drain out.
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      05-15-2017, 02:53 AM   #11
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Yes, leaking headlight washers is a common problem. They drip a little bit so it's hard to see any fluid on the ground, but they will empty a fluid reservoir in a few days. I replaced my both washers with new from BMW and after a year one started leaking again. So I ordered cheap replacement from ebay, it's 6 months now, so far so good.
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      05-15-2017, 09:08 AM   #12
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Usually a leak from the passenger side headlight washer, I can occasionally see a little blue washer fluid dried up on on bumper depending on the incline angle I parked the car. Found a little puddle on my garage floor last week as well. Here is a DIY fix I found but haven't gotten around to doing yet.

http://www.rmeuropean.com/bmw-e90-he...placement.aspx

If you search for washer fluid leak there are a few posts with the replacement part number.
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      05-15-2017, 09:26 AM   #13
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Shoot, my pressure is also low on my glass, heard it could be algae in the tank, and it's not that simple to get to it....
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      05-15-2017, 10:13 AM   #14
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Quote:
Originally Posted by AM330i View Post
On my e60, the washer pump was leaking and causing the reservoir to drain out.
This is a common cause of this problem. Easy DIY. I have it on my list of things to do. The pumps are cheap. I think I paid 5 bucks at rock auto. See the DIY below.

http://www.m3post.com/forums/showthread.php?t=785534
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      05-15-2017, 12:41 PM   #15
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If it is anything like mine, it was a split joint in the washer pump. Gravity would cause a slow leak in cooler temps that the tank would self drain in couple of days. I ended up replacing the pump along with the grommet and all is well for now. BTW my E39 did the same thing and it was also the cracked pump.
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