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      05-02-2020, 10:43 PM   #1
Meaper
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Aftermarket Stereo for 10-Speaker model with DSP

Hello!

I have a 2004 BMW Z4 Convertible 3.0i 6-spd Manual

Looking for some help with figuring out what to do with my stereo. I want to change my in dash receiver, but I'm seeing that with 10-Speaker models you can't just plug and play. I am not looking to upgrade my audio quality, I just want Bluetooth functionality and custom EQ tuning.

From my VIN Decoder:
S677 HiFi System Professional DSP
S645 BMW US Radio
S692 Preparation, BMW 6-CD Changer I-Bus
S662 Radio BMW Business CD
S639 Preparation F Mobile Phone Cpl. USA/CDN

Appreciate any information,

Thanks!
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      05-03-2020, 06:25 PM   #2
eggman51
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After much research and gnashing of teeth, I ended up installing a Grom Audio unit. All other roads lead to a complete new system, including speakers, head unit, amplifiers, subs, etc.
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      05-03-2020, 06:27 PM   #3
Meaper
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I see, if you don't mind me asking. Which year and model do you have? And which Grom model did you use? How was the installation?
Thanks!
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      05-03-2020, 06:34 PM   #4
Meaper
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I also see that my VIN decoder shows DSP, but I don't see it anywhere on my headunit
View post on imgur.com
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      05-03-2020, 09:07 PM   #5
eggman51
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Here is some good info:
https://www.zpost.com/forums/showthr...highlight=grom

Mine is a 2006 Z4M Roadster w DSP headunit and 10 speakers. It is the least upgradeable stereo option to come with these cars.

I had a shop do the install, I think it was $150, including running a cable to my mount. I bought a pro-clip custom mount, I've been using them for a long time and like their products.

Cheers,
Eamonn aka eggman
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