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Driver window buttons not working

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Manitank
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Driver window buttons not working

Post by Manitank » Wed Feb 21, 2024 8:48 pm

Had the AA fix a miss fire and after that drove the car this evening and the driver side 4 windows don't operate, they worked once and now stopped, the wing mirrors work fine and when you take roof off.
Please help only had the car 4 months 🙏

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AnubisZed
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Driver window buttons not working

Post by AnubisZed » Thu Feb 22, 2024 8:13 am

Sounds like the unit is faulty, this can happen when moisture gets into the PCB, this then burns out the circuit and the only option is to replace the whole thing.

You can buy used ones, but you never really know how long they'll last.
This is the cheapest brand new, genuine, one on eBay...
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Manitank
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Driver window buttons not working

Post by Manitank » Thu Feb 22, 2024 12:25 pm

Thank you Dave, it works intermittent but just fed up tbh as a bit of rain yesterday and this happened after AA came out. Is it easy to fit yourself?

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B21
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Driver window buttons not working

Post by B21 » Thu Feb 22, 2024 1:05 pm

Echoing the post…I had this issue on my 20i following an inadvertent washing of the switch by moi…stopped working in exactly the same way…but..it was very warm and two days later returned to active service….its pretty easy to pop out in the normal BMW push fit style..
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
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Manitank
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Driver window buttons not working

Post by Manitank » Thu Feb 22, 2024 1:42 pm

Oh ok brilliant I will leave for a few days and see what happens but hope it starts working again.

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AnubisZed
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Driver window buttons not working

Post by AnubisZed » Thu Feb 22, 2024 1:52 pm

Easy to replace, you have to note that there is a piece that sticks backwards (shown with the arrow on the photo), so prise up from the front and then slide forwards to remove and slide in backwards and then down at the front to fit. It has a standard BMW slide-clip connector for the wiring loom and you're all done :thumbsup:
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Driver window buttons not working

Post by Manitank » Thu Feb 22, 2024 10:21 pm

Thank you

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Driver window buttons not working

Post by enuff_zed » Fri Feb 23, 2024 9:36 am

And just to add, not all had folding mirrors so make sure you get the correct switch unit.
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Driver window buttons not working

Post by B21 » Fri Feb 23, 2024 11:09 am

enuff_zed wrote: Fri Feb 23, 2024 9:36 am And just to add, not all had folding mirrors so make sure you get the correct switch unit.
There are 4 different versions!!
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
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Usel
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Driver window buttons not working

Post by Usel » Fri Feb 23, 2024 7:33 pm

You could take the switch unit to bits and brush/clean the circuit board with 99% isopropanal alcohol and clean all the other inside gubbins too.

If when opened it looks and feels like a sugary drink has been spilled into the switch then wash everything with soapy water except of course the circuit board.

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flybobbie
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Driver window buttons not working

Post by flybobbie » Sat Feb 24, 2024 8:04 pm

Does it illuminate ?
My switches failed with windows stuck down.
Door card off i clean contacts on connector and refitted, no problem since.
Must be bad negative, reason why illumination out.

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Driver window buttons not working

Post by Manitank » Sun Feb 25, 2024 6:32 am

Yes all is fine now left it for 2 days now working again.

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flybobbie
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Driver window buttons not working

Post by flybobbie » Sun Feb 25, 2024 8:42 am

Always thought stupid place to put switches and exactly where water drips in if window is open.

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N4LLY
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Driver window buttons not working

Post by N4LLY » Sun Feb 25, 2024 11:09 am

flybobbie wrote: Sun Feb 25, 2024 8:42 am Always thought stupid place to put switches and exactly where water drips in if window is open.
^^^^ This.

First left turn and it's flooded !! :x
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