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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > HELP NEEDED: Is my car prewired for bluetooth?



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      04-05-2017, 10:10 AM   #1
marmit2017
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HELP NEEDED: Is my car prewired for bluetooth?

Ok so Ive read in many threads that US e90s are prewired for bluetooth, however I don't believe mine is. I have an 09 328i and have USB in my center console, and read somewhere that all I need for that is the antenna and microphone and all the wires should be there to connect to. I looked under the mat in the trunk and saw what i believe is called an MULF and it has a bluetooth sign on it. So I bought a mic to put in the overhead console, and when I looked for a connection for it, it was nowhere to be found up there. I looked everywhere in that tiny space for the mic connector and could not find it! Is it in a hidden place or is my car not prewired?? Anyways, I decoded my vin and these options came up. Please let me know if one of these options indicate it is prewired because Im convinced its not.

Vehicle options
S1CA Selection of COP relevant vehicles
S203 4-wheel drive
S205 Automatic transmission
S240 Leather steering wheel
S249 Multifunction f steering wheel
S2VB Tire pressure display
S403 Glass roof, electrical
S441 Smoker package
S459 Seat adjuster, electric, with memory
S465 Through-loading system
S494 Seat heating driver/passenger
S4AB Fine wood trim burr walnut
S502 Headlight cleaning system
S521 Rain sensor
S534 Automatic air conditioning

Vehicle options
S544 Cruise control with brake function
S563 Light package
S570 Reinforced power supply
S5GA Preparation alarm system
S676 HiFi speaker system
S693 Preparation BMW satellite radio
S697 Area-Code 1 for DVD
S6FL USB/Audio interface
S8SC Telematics access request,country-spec.
S8SP Control unit COP
S925 Dummy-SALAPA

Vehicle options
S2SX BMW LA wheel, multispoke 282
S3AP Windshield with grey wedge
S497 Centre armrest, rear
S520 Fog lights
S645 BMW US Radio
S663 Radio BMW Professional
S823 Hot-climate version
S845 Acoustic belt warning
S850 Dummy-SALAPA
S853 Language version English
S876 Radio frequency 315 MHz
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      04-05-2017, 10:37 AM   #2
opjose
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No, you are missing S640.
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      04-05-2017, 10:47 AM   #3
marmit2017
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Quote:
Originally Posted by opjose View Post
No, you are missing S640.
Thats the option for bluetooth prewiring? Do you know what I'd need to complete the retrofit
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      04-05-2017, 11:34 AM   #4
ctuna
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http://www.e90post.com/forums/showthread.php?t=3540

From the google search

"whats needed to rertofit bluetooth phone to a e90 with a mulf"

there are more like this.
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      04-05-2017, 11:35 AM   #5
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Quote:
Originally Posted by ctuna View Post
http://www.e90post.com/forums/showthread.php?t=3540

From the google search

"whats needed to rertofit bluetooth phone to a e90 with a mulf"

there are more like this.
Yes but my car appears to not be prewired so I'm not sure how to go about that
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      04-05-2017, 11:38 AM   #6
ctuna
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Read the friggen link there are discriptions on what to do. Also only bluetooth phone is possible with Pro Radio no streaming music on last check.

https://www.google.com/search?q=what...uetooth+phone+


Last edited by ctuna; 04-05-2017 at 11:45 AM.
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      04-05-2017, 11:42 AM   #7
marmit2017
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Quote:
Originally Posted by ctuna View Post
Read the friggen link there are discriptions on what to do. Also only bluetooth phone is possible with Pro Radio no streaming music on last check.
Yes I understand the no streaming music isn't possible. And the links and retrofit diys that are on the web are for prewired cars. Cars only have mulf instead of the other one because of they have USB input in the center console.
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      04-05-2017, 02:47 PM   #8
opjose
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The first post in the link he gave you had your answer.

The PDF file entitled "no preparation" applies to your car.
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      04-08-2017, 04:34 PM   #9
taibanl
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Im not sure if this works for mulf (as opposed to internal hu) base bt, but i was able to buy a mic and a retrofit bt cable (actual bmw part no for this) that was the perfect length to go down the a pillar to the back of the hu. It then connects into the vehicle harness. Not sure if in your case it would pass the audio stream back to the mulf. I think it might.
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