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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 11-30-2012, 12:27 AM   #1
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Join Date: Oct 2010
Location: Canada
Posts: 231
My Ride: BMW 325 Ci
Washer fluid leaking

So I've owned my car for a while now, and I top up my fluid regularly. Tonight for the first time I had my fluid level low sensor trip. Got out, tank is bone dry. So I top it up to have all the fluid I put in, pour out all over my feet. I lifted the tank out and inspected it, tank holds fluid fine. Fluid seems to be leaking out of the front sprayer on the passenger side, or something around there. Is there a specific weak point of the system around there? Anyone ever experienced this ?
2001 325 Ci
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Old 11-30-2012, 10:39 AM   #2
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Location: Dallas, TX (USA)
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Only thing I can think of is an internal leak/failure of the washer pump unit. When that happens, it allows fluids to pass through. Check to see if there is any evidence around the unit, usually you'll see rust residue...
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Old 11-30-2012, 10:46 AM   #3
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I also had a leak on mine where the pump for the headlight washers wasn't sealing properly to the tank gasket. Of course I found this after disassembling and cleaning the entire headlight/hose/sprayers. Slapped a little RTV on it and good to go. When I was researching it however I did find a couple instances of the check valve on the sprayer failing and allowing fluid to dribble out.
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Old 11-30-2012, 07:43 PM   #4
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Took mine apart today, when you fill it up it leaks out around the headlight washer cylinder (the part that extends out) so gotta replace it and the nozzle looks like. Ordered parts from ecs, should get em in a few days. For anyone who has the same problem as mine here's a good, DIY. It's relevant to all years mines an 2001 and came apart the same as the DIY.

Here's the link,

2001 325 Ci

Last edited by DBrown; 11-30-2012 at 07:44 PM.
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Old 03-13-2014, 04:33 PM   #5
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Location: Renton, WA
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Not to blow too much dust off of an old thread, but my left headlight was leaking washer fluid and it was the cylinder as pointed out in the last post. $65 part on ebay, so not the cheapest repair I've done but not too bad.

The link posted is a good DIY write up. The cylinder itself is not serviceable, so I'm on the hunt right now.
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washer fluid leak

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