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X1 E84 (2011 - 2015)
First generation BMW X1 availbe as a X1 28i with either sDrive (RWD) or xDrive (AWD) or the US exclusive I6 N55 powered X1 35i xDrive.

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  #1  
Old 07-23-2019, 11:00 AM
buzzracer buzzracer is offline
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Mein Auto: 02 M3
OEM Radio shuts off every 20 minutes with Android unit

So I took the leap and installed a chinese aftermarket android unit with an Apple CarPlay adapter in my 2014 X1. It works fine except for one frustrating issue:
The OEM BMW Business radio shuts off after 20 minutes, and every 20 minutes thereafter but the Android unit stays on. I have also lost the steering wheel controls.
The car did not come with iDrive so it's the basic model with Business Radio.
The harness that came with the chinese unit plugs into the OEM radio harness and then the android unit. It also specified moving the 2 fibers cables from the OEM harness to the android harness, which I did. So power to the android unit comes on when I turn ignition on, but I have to turn OEM radio power on each time.
Lastly, when I shut off the engine and restart, I have to turn OEM radio power on each time as it doesn't keep the signal.
Any thoughts on how on a fix or how I might be able to bypass to keep power to the OEM?
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Old 07-23-2019, 12:57 PM
Yukoner Yukoner is offline
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Location: Whitehorse, YT
 
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Mein Auto: 2011 328i x-drive
I'm just guessing here, but it sounds like your OE BMW audio head unit doesn't realize the vehicle's ignition is on. This is like when you just turn accessory power on but don't turn the car on. Your radio will run (I believe it's 20min, actually (although I stand to be corrected)), but then turn off because it thinks you aren't going to start the car and it doesn't want to kill your battery.
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Old 07-24-2019, 06:18 AM
buzzracer buzzracer is offline
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Right, I think that's exactly what's going on. Any ideas on how I might hardwire a workaround?
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Old 07-24-2019, 04:35 PM
Yukoner Yukoner is offline
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Quote:
Originally Posted by buzzracer View Post
Right, I think that's exactly what's going on. Any ideas on how I might hardwire a workaround?
I've done many after-market automotive sound systems in my days (Back when Rockford Fosgate was cool stuff ! ). That being said, I don't know anything about BMW's systems. When I was looking to replace my door speakers, I did a bunch of research and found that BMW head units are more than just delivering audio. They're completely integrated into the computerized modules of the vehicle. Basically, you don't want to mess with it unless you 100% know what you're doing.

So with that said, I don't know if there's the a hardwired work-around. In an after-market scenario, I'd tell you that your ignition-on power lead is not connected properly. Your +12V is, and your "accessory" wire is, but not ignition-on. Based on the behaviour, I'd tell you to double check that you didn't confused the "accessory" power lead with the "ignition-on" power lead. But your install here isn't the same as a normal aftermarket system. So.......
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