Remove filler hose it is not easy 4.
Bmw washer fluid reservoir leaking.
A used one will likely have the same issue later on down the road.
Windshield washer reservoir tank replacement bmw e90 e91 e92 e93 screwdriver set.
It is commonly suspected and misdia.
This would be due to a crack in your windshield washer fluid reservoir on your 2011 bmw 328 xdrive.
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Remove air intake pipe 3.
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It is likely a very small crack if it took a whole day to leak out.
Common issue with the bmw e90 e91 e92 and e93 is the formation of a puddle of water behind the right side front wheel.
I would recommend searching around for a windshield washer fluid reservoir that is brand new.
Remove air filter box 2.
These cars get hot under the hood and the constant change of temperature makes all plastic components very brittle.
If its working properly air would be sucked in but then immediately seal itself to prevent a fluid leak in the reverse after time this valve just gets wore out and begins to fail.
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If the tank is as old as the car then it is most likely very brittle by now and will find another way to leak.
Once the basin is loose pull it up carefully and tilt it backwards a bit so that the remaining washer fluid will not spill out of the hole when you remove the damaged pump see second image.
Mine cracked and fell off which allows the fluid to drain out quickly.
Steps to fix a bmw x3 washer fluid leak under the hood loosen the one hex screw that holds the entire basin to the frame see the first image.
You can unplug the pump unit and go to a hardware store find a small seal or gasket in the plumbing dept that fits snuggly around that end of the pump.
Apply some sealant and press it in to the hole.
Most of the time this happens the fluid leaks out within a few minutes.
Well the hole that fluid comes out as far as i can tell is for air to circulate into the pumping valve.
