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      10-11-2018, 06:11 AM   #2
scostu
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Quote:
Originally Posted by bmwmotorrad46 View Post
Hi All,

I have 2017 X1 with Hi-Fi. I've been thinking to upgrade.

There are couple of junk yards where I live, I stopped by there to see what I can get from old BMWs to make my audio system better.

Those are the models below that I can remove speakers and amplifier from

E90 3 series Harman Kardon
2005 5 series Harman Kardon
2008 7 series Harman Kardon or other high level brand

I wonder which amplifier should be compatible with - like plug and play?

All BMWs mostly use 4" speakers, I don't think it won't be a problem.

Speakers are $25 each.

Which speakers from models above would you recommend me to get?

Thanks!
HK speakers are not compatible with HiFi stereo.

The amplifiers are completely different and ohms of speakers are different.

Keep your stock Hifi and add the Bimmertech DSP/AMP.
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