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02-24-2022, 10:36 PM | #1 |
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Carplay MMI Box Display Issue
So it's been about a year since I have been able to mess with this but I'm going to try and remember what I did the best I can. Life got in the way and got tired of taking out the radio. The issue is I can't get the display to swap over to what the box is outputting. When I hold the menu button, I lose control of the idrive controller. Hold it again, it gains control. I assume it moves over to the MMI box. So something is working, but something else isn't.
I order the Carsara MMI box I believe from this thread. I ordered it on 2/1/21 so it was the model his writeup pertains to. I attached the model my order history takes me to but the box looks different. (Could just be wrong stock photos.) https://www.m3post.com/forums/showthread.php?t=1788909 https://www.aliexpress.com/item/4000...1cf24c4dtDkSAO I installed following that writeup, the bimmerpost YT video, and the instructions provided. I feel confident I got the wiring correct but there is always a chance I messed it up somewhere. I've tried every dip switch combination mentioned by anyone. I worked with an aliexpress customer service guy for about a month but got nowhere because of the language barrier and we could only get one email a day because of the time difference. And it just ended up being a loop of him suggesting one thing. I try it. No luck. He suggests another. Try it. Nada. Then back to the first. Rinse and repeat. During that month, I searched high and low through the forums for help but couldn't find a similar issue. My only guess is a faulty unit but I'm hesitant to just buy another if its something stupid I am missing. I didn't plug in the microphone because I don't desire it. Is that required? Has anyone had or heard of this issue? Can I factory reset the box from off the car? Car is a 2008 with Nick's CIC retrofit kit. |
02-25-2022, 08:27 AM | #2 |
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Did you double check the LVDS cables aren't reversed going to the box? I vaguely remember having mine swapped at one point and it would pass through but never switch over - but it's been a while.
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02-25-2022, 02:17 PM | #3 |
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Yeah the labeling is backwards. Made sure to check that. Tried both to be sure though but no luck.
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04-11-2024, 09:16 AM | #4 |
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I know it's an old thread, but did you managed to find a solution to this problem? I have exactly the same problem.
Mine worked perfectly for about 3 months, and a couple days ago it just stopped. When I hold the menu button, I lose control of the idrive controller. Hold it again, it gains control. |
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