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BMW X1 and X2 forums (U11/U10) General BMW X1 and X2 Discussion (U11 / U10) (2023+) Pulsing interior buttons

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      01-20-2024, 12:18 PM   #1
aydarks
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Pulsing interior buttons

Hey folks,

I think we already had similar thread, but I can’t find it. I noticed that my interior lights and SOS buttons are constantly pulsing/flickering - no matter the engine is off or on. Is that something normal?

I wish we were able to attach videos, but at least I can share the photo with buttons I am talking about.

P.S. Passenger air bag logo is not pulsing.

Thanks!
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      01-20-2024, 02:05 PM   #2
metapod
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Quote:
Originally Posted by KosticKen View Post
If it is the same problem as previous (sounds like it)...try turning your instrument panel background lighting up to full. If that works it is a flaw in the electronics which control the background lighting. Reply and I will send you a link to the posting.
Yeah if full brightness doesn't pulsate then something is wrong with the dimming. LEDs pulse really quickly to achieve dimming, but you're typically not able to see the pulsing.

"Pulse Width Modulation (PWM) is a common method for dimming LED lights. PWM works by rapidly turning LED lights on and off, creating a steady dimmed light."
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      01-21-2024, 02:51 PM   #3
csakar
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I think its a common issue with these models. I did leave my car at the "headless chicken" dealer and stayed there 12 days, yeah that was me

I picked up right away, when I (luckily) found the cause of the problem by trying the dimmer option.

And they (still) couldnt find what the problem was. And cant say anything about it, I suggested them to read these forums.

They only said, my case is still open between the distributor and the manufacturer. But I dont expect any further actions from there to come.

So yeah, we should use it at %100 if it bothers.
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      01-21-2024, 04:09 PM   #4
aydarks
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Thanks for your reply and sorry to hear about wasted days in the service!

Yeah, I checked today, and it is less visible at 100% brightness. I would recommend BMW to use better led lights without PWM (at least at such a low rate)…
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      03-14-2024, 12:34 AM   #5
Kevangi
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Picked up my 2024 X1. Have the same issue with the pulsating overhead lights. Not that noticeable, but good to know that’s it’s a common issue. Glad for this forum.
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      02-07-2025, 11:28 AM   #6
Boldblue737
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I took delivery of a 2025 BMW X2 XDrive28i in late December and I just noticed this week the pulsing issue mentioned. It only occurs with the SOS icon and overhead light icons and it's very, very subtle. I doubt most would ever even see it, but now that I have I always do lol. I'm wondering if anyone with this problem has successfully had it fixed because the last thing I want the dealer to do is start tearing apart the headliner and inducing rattles (the car is so silent and solid for me) for something they can't even fix. If no one has ever gotten this fixed I'll just learn to live with it...
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      02-08-2025, 02:26 AM   #7
csakar
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Quote:
Originally Posted by Boldblue737 View Post
I took delivery of a 2025 BMW X2 XDrive28i in late December and I just noticed this week the pulsing issue mentioned. It only occurs with the SOS icon and overhead light icons and it's very, very subtle. I doubt most would ever even see it, but now that I have I always do lol. I'm wondering if anyone with this problem has successfully had it fixed because the last thing I want the dealer to do is start tearing apart the headliner and inducing rattles (the car is so silent and solid for me) for something they can't even fix. If no one has ever gotten this fixed I'll just learn to live with it...
I was at official service provider 2 days ago, and mentioned this but they seemed (still) not even heard about it.

I had a post for this. I guess, im the first one cursed to see this issue lol if you want to read more here is the link:
https://u11.bimmerpost.com/forums/sh....php?t=2065962

So I think its a common issue and when I put the light's dim setting to maximum it stops.

Like you, I am very sensitive about the robustness of the parts, so I didnt want further investigation from them and learned to live with it

hope this helps, cheers!
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      02-09-2025, 04:53 PM   #8
aydarks
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Hey,

As mentioned above, if you put brghteness at the maximum, the pulsing effect should dissapear.

I don’t think this is something wrong (I hope), rather this is how PWM (pulse width modulation) works. You can Google it for more information. This method is used almost everywhere (from screens to light bulbs). The darker the lights gets, more pulsing effect will be visible.

Thanks!
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      02-10-2025, 02:42 PM   #9
doxuni
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I have the same issue. See https://u11.bimmerpost.com/forums/sh....php?t=2137687
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