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      10-18-2019, 09:09 AM   #1
Cuervo1416
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GROM BT3 for bluetooth

Big props to GROM for making such a great product for bluetooth connectivity.

Originally I bought an aux bluetooth device that plugged into the factory aux port. However, I was unhappy with the sound quality. I tried 2 different aux bluetooth products and both did not sound as good as the radio. Then I came across GROM.... I chose the BT3 (bluetooth/handsfree) that installs in the trunk. The install was painless and only took about an hour. The majority of the time was spent taking out the battery (located in the trunk) and putting it back in. The GROM connects to the car via 2 connectors, no cutting or splicing needed. Once installed, just turned the key and worked perfectly. Best part, it works with the steering wheel controls. Also, my car has the factory bluetooth and when a call comes in, it automatically switches to the car's bluetooth. Can't reccomend the BT3 enough, its worth every penny.


If you are wondering, I've got a 2007 Z4M roadster with factory nav and DSP. Turns out I did not need the DSP conversion kit that GROM offers, so that will be returned.

So if you are looking for great bluetooth and sound. Get a GROM!

https://gromaudio.com/store/all-bmwt.html

YouTube link that shows how easy it is.

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      10-19-2019, 09:52 PM   #2
SDMCoupe
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are you only streaming music via bluetooth? have you tried streaming audio via the usb connection with an android phone? if so, does it work for you? For some reason I'm having issues with android phones.
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      10-20-2019, 04:31 PM   #3
Cuervo1416
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I'm only streaming via bluetooth and I've got a galaxy note 8 with no issues. Which GROM interface did you get? The BT3 doesn't have a usb connection.
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      04-26-2020, 01:12 AM   #4
Alaberti
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I just installed this in my car last weekend. 100% agree most of the time is spent dealing with the battery - my positive connector took 3 people to get off because of the awkward angle and being (as I discovered during the install) an 8 year old battery that was beginning to leak, fusing itself with everything it touched. I replaced it during the upgrade and cleaned up accordingly.

My steering controls didn't work until I set bluetooth to use the grom for calls and media, not just media. I also have the factory bluetooth - your grom unit doesn't snag the phone calls from the factory unit? Mine seems keen on it, but I haven't installed the mic because I've no idea yet how I'd get it from the trunk into the cabin without pulling out the entire center console.
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