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X3 E83 (2004 - 2010)
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Old Yesterday, 06:15 PM
dteberle dteberle is offline
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Location: Maine
Join Date: Mar 2016
Posts: 9
Mein Auto: 2011 VW tdi
Aftermarket stereo installed, no sound...!

Hi everyone,

I'm putting this out to the community hoping to get some helpful advice here.

I carefully installed a new Clarion HU in my 2004 E83. It was very straightforward electrical work since I got the Metra wire harness.

I got everything wired up nicely aaaaannnnddd.... the unit turns on, all modes work (I even connected it to my phone using the bluetooth), but I don't get any sound.

Based on what I've read online, it seems that it's not pinging the amp even though I wired both the "remote antenna" and "system remote" wires correctly.

I'm totally exasperated by this. I read in another post that it's possible to throw a code when installing an aftermarket stereo, and if you clear the fault code, the computer will activate the amp. Is there any truth to this?

What am I missing here? I've wired car stereos in my other cars before and this went exactly as smoothly until the whole no-sound part.

Many thanks for advice about my situation!
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Old Yesterday, 07:55 PM
joylove joylove is offline
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Location: USA
Join Date: Mar 2013
Posts: 1,909
Mein Auto: 08 e83 LCI
Assuming you don't have a wiring error, then it could be the amp is not receiving the "AMP ON" control command over the iBus to turn on. This could be true if it's a HiFi amp or an amp with DSP. Have a search to see what experienced others have had with aftermarket installs with those tow distinct types of amps. Use a BMW VIN checker to determine your amp type.

You may need a little device that signals the amp to turn on via the iBus, and is stimulated by the new headhunt Amp On signal.
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