Mr12Volt P2000 - Carplay/Android Auto w/M.O.S.T *New Model Update*

[pathall1]

Originally Posted by dat1981

I have the same camera model as yours.
And I ask GreenYi, they confirmed.
The camera generates AHD 720P 30HZ video signal by default, after you cut the white switcher cable and reconnect to power, then it becomes CVBS.

I'm currently using AHD mode with latest Mr12Volts P2000 model, the backup camera sometimes just not working properly. It's not reliable, sometimes got black screen or split image. So I might cut the white wire to try CVBS mode.

Is there any way to know which mode your camera is in? I have the white wire cut currently which i think is AHD mode, but now I'm not sure.....

[fat-marshmellow1]

Originally Posted by pathall1

So just to clarify here, by cutting the white wire you are ENABLING AHD. The uncut wire is CVBS.

The greenyi I have says to cut the white wire to put it into cvbs. I did notice the picture quality being not as sharp but still very good though. Better than no cameras so not complaining lol

[dat1981]

Originally Posted by pathall1

Is there any way to know which mode your camera is in? I have the white wire cut currently which i think is AHD mode, but now I'm not sure.....

Maybe contact GreenYi and send them your order information. Thus they can tell you what is default mode on your camera.

[VR1]

Originally Posted by greyspoke

Yes, you should code in the CD changer before you do the install. In my experience, once I did the install, I lost the ability to see the headunit module via Bimmercode. This could be an issue with the adapter that I was using, but I wouldn't take that chance if I had known about it before I did my install.

The specific coding via Bimmercode is at the bottom of post 1 on page 1 of this thread.

Should I be doing this coding regardless of which configuration m3 I have? I did it ahead of my install and my phone no longer can connect via Bluetooth. Is that ok?

[F30_328i_uk]

Originally Posted by shadowmyst

If a fix works, then it works

I went with a different fix myself. I tried to set up the dual BT route but could never get it to work - the P2000 and headunit would constantly fight for control of incoming and outgoing calls. If I told my phone to never use the P2000 BT for calls, then the adapter would not connect to the phone, even though the phone showed they were connected. So I tried a hunch and got a Motorola MA1 adapter. Surprisingly, it works with the P2000's AA system and only uses BT for the initial connection trigger, after that the oem headunit has exclusive connection.

Result - phone calls that are echo free and the right volume, wireless android auto that doesn't need an aux connection AND an immediate disconnect when my vehicle is turned off and the driver side door is opened.

I did report my conflict issue (and the connected but not able to connect issue) to Mr12Volt
in May but they really didn't seem to understand what I was saying, even when I sent a video of everything. Heck, they actually SAID they didn't understand what I was reporting.

Are you able to elaborate on the problem you were having and the fix you applied please? The way I'm reading your post is that you possibly had the same grievance as me.

I have the p2000 (new version with mic support) on my F30 NBT. it all works brilliantly except the way phone calls are handled.

Currently I have NBT Bluetooth and mr12volt connected via Bluetooth. The aim is to get NBT to handle the phone calls, but at the same time mr12volt remains connected and can handle answering/hanging up.

At the moment, this works fine if I receive the call. I can answer on AA and speak/hear the caller.
If I dial out, the other person can hear me but I cannot hear a thing.

If I alter Bluetooth preferences on my phone by telling the mr12volt device to handle 'media' and not phonecalls, then AA doesn't connect.

Does this Motorola MA1 device play some sort of role in fixing this?

[pathall1]

A few more updates from me as I've continued to mess with this system:

I've rerouted the microphone through the side panel on the dashboard and into the passenger side footwell as they do in the bimmertech MMI prime installation vs. the way mr12volt recommends. This is a much cleaner install. Only issue now is that I can't get my airbag trim piece on my A pillar to seat perfectly - it bulges a bit by the lower plastic clip. Fortunately it's not noticeable to anybody but me, but still, ugh!

I also went ahead and blasted the trunk handle with a hose to check for water ingress and can confirm that this is in fact not water tight. I had water draining into my trunk through the handle and down behind the felt trunk liner. I'm not totally convinced that water would actually get in here under normal circumstances but I sealed it off with some butyl tape just to be safe. Hose tested it again and got 0 water. Word to the wise though, putting that butyl in there was actually sort of a nightmare. The stuff is super sticky and cramming your hands up into where the handle fits to create a seal around the whole thing is a real pain. Fingers and wrists are cut up and sore today, hah.

On the connector front, I went ahead and redid all of my connections using proper wire caps vs just electrical tape to try and make the connection a little bit more stable. I still have intermittent issues (sometimes the camera has a weird double angle on it, almost like it wants to display a feed from two different cameras, sometimes I get some static in the image, sometimes it doesn't activate, etc.) but I'd say it works properly about 90% of the time with maybe a 1-2 second delay. I don't see any improvement from the electrical tape connections vs. the wire cap connections, but I still think replacing the tape was the right move. Overall, it's not perfect, but I honestly don't know what else I could do to get it more stable. Open to any thoughts.

As far as the CVBS vs AHD discussion goes, I experimented with the connections (connecting/reconnecting the white wire and then checking for mode in factory settings on mr12volt) and can confirm that there must be two versions of the GreenYi camera. On my model, CUTTING the white wire enables AHD and it is CVBS by default. Others have reported the opposite. I would refer to the box/instructions in the unit that you bought to check. I've yet to experiment with leaving the camera in CVBS mode for actual use, but if I keep having instability with AHD I might reconnect the wire and try it for a few weeks to see how it works. In my brief testing I noticed quite a difference in quality between AHD and CVBS. For reference, I bought my camera on Amazon.

Finally, on the call quality front, I think I've gotten it pretty much perfected. I secured the 3.5mm aux connector from the mic to the harness with electrical tape and made sure it's very tightly secured in the passenger footwell so that it doesn't move around while driving. Callers have hardly reported any echoing and if they do, I simply mute and unmute on my iPhone and it goes away. I honestly think to some degree that a certain amount of echoing is somewhat normal in any automotive microphone application. My parents just bought a brand new 2024 Honda Passport and I heard myself echoing a bit when I was on the phone with them while they were driving. Callers also no longer report that I sound like I'm moving my phone all around my ear/face when I speak. Pretty pleased with this as it stands.

Anyway, hope this is helpful. Will report back if I decide to try CVBS mode and/or discover any additional improvements to the camera. I'll also try to be responsive to this thread where I can as I know a lot of people have all sorts of issues with this unit and I have spent far too much time learning its in's and out's.

[pilotwings]

Hi there, just I installed one of these boxes on an E89, the gray one, CIC with mic support, so far everything works except wired screen mirroring. Has anyone gotten wired mirroring to work at all? Android or iPhone?

I don't use Facebook or Whatsapp so I don't really have any support options. I just want to know if wired mirroring even works before I dump a whole lot of time into troubleshooting it.

Thanks in advance,

Shawn.

[Juffled]

Edit for future people searching: Answering my own question

Turns out if you just reset it about 5 times, it just works randomly...dont ever underestimate the power of turning it on and off again.!

_________________

Hi looking for some help, I’ve bought the mr12volt and installed it on my cic e91, but the screen won't go to carplay, i just have the 3cd options with the mr12volt text at the top.

-Car is coded through bimmercode (headunit heading then into expert mode, there were 2 headunit options but the 2nd one wasn't available, Headunit ecu not support), oddly the option was available even though i did it after install, i've reset everything back to factory and then coded it again to check if the 2nd headunit option was available, no change, so back to mr12volt everything plugged in
-No cd changer in the rear of the car on the left side, so no need for that splitter cable, could it have been removed, would i need the splitter if it had?.
-Fibre optic red light coming out of channel 1, where it goes into the mr12volt.
-Done all the cabling to match the YouTube videos, there is one port on the back of the headunit that is empty, but it was empty before (3rd plug down on the side collection (as opposed to the bottom ones) mic is installed.
-No errors on the car audio, radio still works.
-Can connect to the unit and take a screenshot etc, so that bit works.
-All 5 switches on the back are set to off, to match the 8.25 inch display image.

Am i missing anything? Any help appreciated

Thank you

[SL71333]

Been scrolling through this thread for an hour now and am struggling to find the definitive answer on if a CCC car NEEDS to be coded before install. If yes, can that coding be done via bummercode? Thank you for the clarity in advance!

[pathall1]

Originally Posted by SL71333

Been scrolling through this thread for an hour now and am struggling to find the definitive answer on if a CCC car NEEDS to be coded before install. If yes, can that coding be done via bummercode? Thank you for the clarity in advance!

There is no definitive answer to this as some users have found they need to code while others have not. I would have an OBD dongle and bimmercode available when you're installing in case you do need to code.

[GORDON.M3]

Originally Posted by pathall1

There is no definitive answer to this as some users have found they need to code while others have not. I would have an OBD dongle and bimmercode available when you're installing in case you do need to code.

Take a look at this for bimmercode.

[SL71333]

Originally Posted by GORDON.M3

https://www.youtube.com/watch?v=tbqCSVRqP7c

Take a look at this for bimmercode.

This is super helpful. So basically the best move would be to just make sure the car is coded as it shows in this video prior to install?
I have a G05 X5 and am familiar with BimmerCode thankfully.

[DavesZed]

Originally Posted by pilotwings

Hi there, just I installed one of these boxes on an E89, the gray one, CIC with mic support, so far everything works except wired screen mirroring. Has anyone gotten wired mirroring to work at all? Android or iPhone?

I don't use Facebook or Whatsapp so I don't really have any support options. I just want to know if wired mirroring even works before I dump a whole lot of time into troubleshooting it.

Thanks in advance,

Shawn.

Shawn,

Is this any good for you?...

[Dorian9]

Hi!
Anybody have this issue? Trying on two mmi(blue and grey(with actual firmware from mr12’s site), with 3 iPhone’s(14pro, 15, 15promax, all pf them on actual version of iOS). Trying to forget mmi’s ssid, trying to “hard reboot” mmi with holding controller’s spinner, nothing help.

[spammysammich]

I think one of the recent IOS updates broke mirroring, it no longer works with my iPhone 11 or 15.

[Aussie-John]

UPDATE - I reverted back to the OEM Mic, and it is working OK. Not great, but at least I can make a call.

Hello All,

I have been searching and scrolling for hours, and I can't find an answer, so maybe someone can help.

I have installed the new grey Mr12v MMI in my Z4, and I thought it would be better to install a new Mic rather than use the OEM, however the call quality is shocking! My side is fine, but the other side say it sounds like someone is rustling a packet of crisps.

The mic is plugged into the Mr12V directy (as advised by Mr12v).

If I am stopped, it's OK, but as soon as I drive, it's so bad we can't hold a conversation.

Any ideas before I pull the dashboard appart trying to find a solution?

Cheers
John

[SL71333]

Anyone else install a mr12v in a CCC car and find that they can only use the idrive for left right up down and not scroll?

[Ali-E90]

Originally Posted by SL71333

Anyone else install a mr12v in a CCC car and find that they can only use the idrive for left right up down and not scroll?

did you set the dipswitches on the unit before install? i had a similar issue.

[GORDON.M3]

Originally Posted by SL71333

Anyone else install a mr12v in a CCC car and find that they can only use the idrive for left right up down and not scroll?

DIP SWITCH 1 to ON position.

E9x M3 CCC controller.

[aelias]

Hi all,
Thank you all for your great contributions! Thanks to some youtube videos and this thread I managed to install the mr12volt system to my E93 with CIC.
I used NCSExpert to code the cd changer and deactivate the voice assistant. The install was quite straight forward except getting the quadlock to fit behind the CIC unit, but thanks to the many tips that worked out as well.

I thought I'd post some infos regarding the E93 specific install, especially regarding the microphone splitter, since that is not greatly covered. It's actually pretty easy. As others have mentioned the microphone on the E93 is located under the upper stearing column cover. The connector needed for the mr12volt mic splitter is connected on the right hand side of this cover. I just unplugged that and installed the mic splitter cable as shown in the image below:

Here the lower cover is also removed. I then threaded the wire of the mr12volt mic splitter along the one of the oem system behind the CIC unit (which was not yet installed back) and then through the whole in the side to the mr12volt system. To avoid rattling noises I packaged the wires with some electrical tape as shown in the image below and then fitted the covers back.


Now it works like a charm . Audio and mic quality are excellent (according to the few tests I managed to make). The voice assistant button for siri and track and volume buttons work. The telephone button does sadly not work to receive calls, but that's a small gripe.

Happy installing to anyone reading this!

[snaeem155]

I cannot get Mr12v to work on my 09 M3 with CCC.

Factory fitted cd changer and official iPod adaptor.

Everything works fine.

I added mr12v after removing the iPod adaptor from the setup and in theory it should work but doesn't.

I can get video output plugging the screen into mr12v but not audio (as not in the MOST network).

Adding it into the MOST network results in no video but I get audio.

I cannot for the life of me figure this out.

It should work but just doesn't, tried two different mr12v units.

[El Duce]

Does anyone know how/if I can store my SiriusXM channels with my radio presets? ... also, is there a way to use the steering wheel controls to manually move through the SiriusXM channels like you would with the radio?