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  #1  
Old 12-01-2019, 05:37 PM
GreggRio GreggRio is offline
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Location: Aptos, California
 
Join Date: Apr 2014
Posts: 27
Mein Auto: 2012 328-I Hardtop Conv
Bluetooth issue

My bluetooth module died. I've a 2012 328-I hard top convertible. Does anyone know where it's located and can I buy a used one and plug and play?

I've seen them used on ebay for $50-150 for a module. Appears to be Harmon Kardon.

I think the bmw stealer wanted about $1200 and said they would need to program. Not sure what the programming would do ? I've heard it has your vin instead of the used one but don't know if other than that that it's worth having them do?

I've seen in another thread or forum of a place in Australia that will take and repair the module.
http://www.bmwbluetooth.com.au/

Don't know if there's any issue removing the module and having the stereo or CD( storage drive) function.
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  #2  
Old 12-01-2019, 06:58 PM
ctuna ctuna is offline
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Location: usa
 
Join Date: Jan 2010
Posts: 5,803
Mein Auto: 325xi wagon
Probably the combox module unless you have a head unit that
has internal bluetooth.
Get a used one on ebay have a Coder code it in unless you want to
do it yourself.

Diags from Ista D or Inpa probably a good first step.

Do you have Idrive or Pro Radio?
Do you have a combox?

List your options with Mdecoder.com
combox listing will generally show up there.

There are coders in the bay area used to be some in San Jose.
To code it you will have to find someone that has an Icom cable.
Cars made after 3/07 need a Icom cable to code Most Bus modules and the Head Unit.

Not sure exactly where it is in a convertible but its under the trunk floor behind the
passenger seat in other body styles.

https://www.newtis.info/tisv2/a/en/

BMW stereo types
http://www.e90post.com/forums/showthread.php?t=352586
http://www.e90post.com/forums/attach...2&d=1266451970
http://www.e90post.com/forums/attach...2&d=1260829447
http://www.e90post.com/forums/showthread.php?t=343673
http://www.e90post.com/forums/showthread.php?t=138949
http://www.e90post.com/forums/attach...1&d=1209780605
http://www.e90post.com/forums/attach...1&d=1209780865
http://www.e90post.com/forums/showthread.php?t=641323
http://bmwcoders.com/forum/3-er-8/bm...1-e92-e93-291/
http://technicpnp.com/menuDiagrams/d...e90_92_93.html
http://www.musicarnw.com/page-2/
http://www.e90post.com/forums/attach...3&d=1169133185
http://www.e90post.com/forums/attach...4&d=1278871872

https://www.m3post.com/forums/showthread.php?t=560216

If you have the combox and logic 7 your music will stop unless you put in a most loop jumper
and you will probably get some errors related to the absence of the module.

By the way Nate Smith Optimal auto is the best Indy in the Santa Cruz area.
Programming some modules matches the options to what your car shipped with or what you want enabled
plus matches the Vin number to the car which shows up when you pair a phone.

Last edited by ctuna; 12-01-2019 at 07:28 PM.
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  #3  
Old 12-02-2019, 12:20 PM
GreggRio GreggRio is offline
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Location: Aptos, California
 
Join Date: Apr 2014
Posts: 27
Mein Auto: 2012 328-I Hardtop Conv
bluetooth

Thanks for the informative update. I used to use Nate's Optimal Auto then switched to Catalpa Street Garage, also nearby and a good indy as well. I'll check with them and see what they charge to code if they can.

I have the i-drive and there's the radio and nav and music storage probably all wrapped into one.

Seems they're calling it a "Communication Telematics Control Unit Module( MULF02?) 540427 that I think I need.

Don't know what a combox is(STEUERUNG COMBOX?), but do have the I drive. It indicates on mcoder.com that I have HiFi Speakers, traffic, USA Radio,STEUERUNG COMBOX, bmw teleservices,automatic phone antenna,handy usacdn,bmw online info,nav system professional


These guys seem to do the E46 and related series for some bmw related audio stuff, but don't know if they do the newer stuff? I have had them repair the screen on my old bmw radio.
https://www.germanaudiotech.com/coll...s/bmw-services.


What do you recommend for a codereader? I have an older obd2 that I use for my 04 xjr jag and my old( since sold) 97 328. Seems there are levels that some code readers can't get to. I need something for this 2012 328-I
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  #4  
Old 12-02-2019, 04:02 PM
ctuna ctuna is offline
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Location: usa
 
Join Date: Jan 2010
Posts: 5,803
Mein Auto: 325xi wagon
Catalpa Street Garage ruined every Rim installing new tires on my E46 and almost stripped the Oil
Filler Plug after that I stopped using them.
Mdecoder is saying you have a Combox.
It will have a part no on it try to find one on Ebay or somewhere.
Should be about 50 to 200 bucks.

Did you say you have a 2012? They started using the Combox exclusively after
about 2010 to replace the TCU and Mulf2 Hi Combination.

TCU = BMW SOS voice control and bluetooth phone(SOS no longer supported because its 2g)
Mulf2 Hi = Bluetooth phone and USB ( option 6fl)
Combox = Bluetooth Phone and Music streaming (with idrive) plus USB

TCU and Mul2 Hi often come as a pair with the Mulf2 Hi underneath the TCU

If you buy one and stick it in it might work and it would have the Vin from the car it came from .
Possible some of the options may not be turned on default or VO coding from the CAS/FRM module
would take care of the options. You might need a coder to change the Vin commercial software doesn't
do that very elegantly.

The best thing you can get to do diags and coding on these is
a bimmergeeks.net cable and the downloads from there site for Standard Tools(Inpa suite) and Ista D
Run on a laptop with Win 7 to 10
Its from BMW and its way cheap.
Basically the cost of the cable and the time it takes you to set it up.

Last edited by ctuna; 12-02-2019 at 04:18 PM.
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  #5  
Old 12-04-2019, 03:24 PM
GreggRio GreggRio is offline
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Location: Aptos, California
 
Join Date: Apr 2014
Posts: 27
Mein Auto: 2012 328-I Hardtop Conv
bluetooth

Thank you. I"ll do some digging around and take a look at what I have and go from there.Very much appreciate your deep knowledge of the car and willingness to share.
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  #6  
Old 02-02-2020, 12:23 PM
GreggRio GreggRio is offline
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Location: Aptos, California
 
Join Date: Apr 2014
Posts: 27
Mein Auto: 2012 328-I Hardtop Conv
bluetooth combox

I found that mine is located between the back seat and trunk. One has to remove the ski tunnel to get to it. I'll post some how to's a bit later. I seem to need to program they system to get it to function and got the special cable that goes from the OBD to USB. I seem to think someone posted some of the programming needed ? If anyone recalls or has that, it would be great. I"m running windows 10.

I found the exact same # of the combox on ebay for about $125 and it swapped over fairly easily.
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