Power windows in 2005 bmw 320i work intermittently

SOURCE: BMW 740IL Wiper Issue

try checking for a short to power on ur 12 volt comming into motor also check for a good ground at the plug for ur wiper motor

SOURCE: HAVE A 03 GMC SIERRA

I had the same problem in my wife's 2003 Yukon Denali. The power seats and passengers side window wouldn't work. Turned out to be a blown Buss Type fuse in the Underhood Fuse Block. It is the one marked MBEC 1 50amp. Hard to tell if the are blown so look very carefully. Should look like a hoop with two shiny solderlooking bubbles on either side. On my blown fuse, it caught my attention because it looked like the solder was missing and I had to look very closely to see the bottom of the "hoop" was open. They are very hard to remove and must be pulled straight up.
This type of fuse looks like a red square with a clear plastic top showing the fuse link under the plastic. On my vehicle it is on the top row second one from the left.

SOURCE: power windows in my ford explorer do not work at

remove or peel back the black boot in the door jam. you probably have a broken wire.

SOURCE: Power windows dont work

If all windows stopped workin at once it's a relay ... You can usually find them under your steering wheel ... You more than likely have to remove the panel under the steering wheel and you'll see them... I forgot which one it was but call a BMW dealership ... And let them know what relay you need...

SOURCE: Where to find the fuse box diagram for 2005 BMW

Try inside the glove compartment