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5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

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post #1 of 3 (permalink) Old 10-30-2010, 10:34 AM Thread Starter
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E34 Series5 Power Window Fix

Hi all, the front windows in my 530i had issues going up but were fine going down, so I went to the Euro Wreckers and priced up some replacements... $195 each

So I thought i'd check them out myself. I removed the passenger window regulator assemly first and played around with it a bit trying to work out what was stopping the window from winding up on it's own accord and the conclusion I came to was that something internally in the motor was slipping.

I tried a number of things in an attempt to fix it initially but nothing worked.

I needed to remove the cap covering the motor before I could go any further. It popped off nice and easy and I examined the internals finding that there is a clutch type mechanism that must (when in good working order) give a smoother more seemless operation, especially when it reaches it's lowest and highest points?

Anyway, the rubber blocks under the metal disc that is pressed onto the spline must have worn out and it certainly looked like more trouble than it was worth to replace them. I also didn't want to be spending near on $200 a pop for 2nd hand replacements...

The fix was quite a simple one.... Three self tapper screws in each motor as per the pics below. The screws are only about 3mm x 25mm and they are just simply screwed through the metal disc, through the rubber blocks and into the plastic gear... And whalla... Windows now go up again!!

My 6year old took a pic of me working on the window...

The screws in question. On the sill plate for size reference.

Part way to the fix..

All done..

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post #2 of 3 (permalink) Old 10-30-2010, 11:01 AM
OMFG another one!?
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witeshark is just really nice witeshark is just really nice witeshark is just really nice witeshark is just really nice witeshark is just really nice
Good of you to share!


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post #3 of 3 (permalink) Old 03-06-2013, 06:36 AM
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Anyone got the pics from the OP by any chance? No longer visible and seem to have the same problem and would love to attempt the fix.
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