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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 01-25-2010, 07:46 AM   #1
Hockeyman17
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Pairing mode button for my M3 not installed.

I'm looking to pair my phone with the Bluetooth setup on my car but it seems there is no button on my console to pair them together. I have a wiring harness underneath my cupholders, I'm assuming that's it. Any idea what this button costs or any other help would be appreciated thanks.
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Old 01-25-2010, 08:56 AM   #2
MightyY
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What year is your M3? My 2005 doesn't have a pairing button. I just had to set my phone to discover it with the car on.
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Old 01-25-2010, 09:48 AM   #3
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Mine is also an 05 but my phone doesn't pick up the signal from the car for some reason
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Old 01-25-2010, 10:03 AM   #4
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Quote:
Originally Posted by MightyY View Post
What year is your M3? My 2005 doesn't have a pairing button. I just had to set my phone to discover it with the car on.
Correct, I believe 05's and up no longer have the pairing button. Your car goes into search/discovery mode for the first minute or two it's on.

First off, make sure your phone is compatible, as not all phones are. I've also had issues with one of our bimmers not wanting to pair with an original iPhone. This was odd because it paired just fine with mine... the 3G and 3Gs work fine on both cars though.

Also, check your steering wheel, there's a button that looks like a person talking that is used for your hands-free functionality, in our X5, I believe I held that button down for 5 seconds or so to pair for the first time.
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Old 01-25-2010, 11:29 AM   #5
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The person talking is the voice command button, it doesn't deal with bluetooth.
IF you have Bluetooth on a 2005 (big if, don't assume you do), try this:
sit in the car with the key in the ignition but turned off. Open your phone's bluetooth menu and search for new devices. Twist your key 1 position (so the radio would come on). The phone will find the car now. Enter the passkey assigned to your car.
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Old 01-25-2010, 11:52 AM   #6
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Originally Posted by Mstearnsy View Post
The person talking is the voice command button, it doesn't deal with bluetooth.
IF you have Bluetooth on a 2005 (big if, don't assume you do), try this:
sit in the car with the key in the ignition but turned off. Open your phone's bluetooth menu and search for new devices. Twist your key 1 position (so the radio would come on). The phone will find the car now. Enter the passkey assigned to your car.
That voice command button controls several of the phone based commands. Also if you look at this PDF it shows that the voice command button was the same button used for pairing when there was a dedicated pairing button in earlier models. I don't have any documentation on a newer BT ULF but a friend of mine that works at Tischer walked me through the pairing process in our 05 X5 and if I remember correctly, pressing that voice command button is what put the car into pairing mode

http://www.carnationsoftware.com/car...lBluetooth.pdf
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Last edited by Superhiro; 01-25-2010 at 11:55 AM.
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Old 01-25-2010, 11:54 AM   #7
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Originally Posted by Mstearnsy View Post
The person talking is the voice command button, it doesn't deal with bluetooth.
IF you have Bluetooth on a 2005 (big if, don't assume you do), try this:
sit in the car with the key in the ignition but turned off. Open your phone's bluetooth menu and search for new devices. Twist your key 1 position (so the radio would come on). The phone will find the car now. Enter the passkey assigned to your car.
Very true, check in your trunk compartment to see if you have a BT ULF. That'll be a good way to find out what your passkey is too if you don't have it. It's usually on a sticker attached to the ULF.
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Old 01-25-2010, 12:18 PM   #8
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Thanks for all the help guys. I'm impressed with the feedback on this site. I will definately try these things when I get home
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Old 01-25-2010, 12:21 PM   #9
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Easiest way to check for BT is to simply hit the R/T button (above the talking man button) when the car is running. It should say something like "no phone found" or "no phone paired" etc. if you have BT. If it does nothing, you dont have BT.
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Old 01-25-2010, 12:35 PM   #10
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Hockeyman, just to be clear...you don't have BMW assist in your car, right?

If you do then you may or may not have bluetooth. The current gen TCU in BMW Assist vehicles do have bluetooth capability. My M3 has BMW Assist but the TCU that was in mine was too old for the integrated bluetooth capability so I just upgraded my TCU to the current gen and also installed a bluetooth antenna inside and now I have bluetooth...
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Old 01-25-2010, 01:15 PM   #11
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Lots of correct information. I have an 04 that came with the TCU which is BMW Assist. Later models TCUs have BT integrated. If you don't have the right TCU, you will need to buy a ULF. There are 13 generations of ULFs. Try to get a later one. You will also need a BT antenea. These are cheap from the dealer. There are plenty of DIYs out there for the install but it's pretty straight forward for both the antenea and ULF module.

http://www.hiunlimited.com/bluetooth...toothstart.htm

Now here's MY TRICK. I didn't have a pairing button. But you don't need one.

Remove the housing of the 18 pin connector that the pairing button is supposed to plug into (it is tucked in under the center console). There is an indention that you push down with a thin screwdriver and the housing pops off.

Then locate pins 1 and 17. Again using a thin screwdriver, push down on the exposed metal to push the pins out of the housing. You do not need to puch the pin out through the holes but you could. With very little force with the screw driver and pulling slightly on the wire, the pin will come out of the housing.

Then you have your pairing button. The procedure is simple... hold the two pins together and count to 3 and then turn your ignition to the 1 position and count to three then release the pins. You should see BT pairing on your radio.

After successful pairing, I easily slid the pins back into the housing and stuffed it away.

No pairing button required.
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Old 01-25-2010, 03:19 PM   #12
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Quote:
Originally Posted by Superhiro View Post
That voice command button controls several of the phone based commands. Also if you look at this PDF it shows that the voice command button was the same button used for pairing when there was a dedicated pairing button in earlier models. I don't have any documentation on a newer BT ULF but a friend of mine that works at Tischer walked me through the pairing process in our 05 X5 and if I remember correctly, pressing that voice command button is what put the car into pairing mode

http://www.carnationsoftware.com/car...lBluetooth.pdf
I've done a Bluetooth pair in a 2005 X5 4.4i with factory BT and the procedure is exactly as I described, key off, search for device, key on, passkey, done!
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Old 01-25-2010, 04:47 PM   #13
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Quote:
Originally Posted by dillard View Post
Lots of correct information. I have an 04 that came with the TCU which is BMW Assist. Later models TCUs have BT integrated. If you don't have the right TCU, you will need to buy a ULF. There are 13 generations of ULFs. Try to get a later one. You will also need a BT antenea. These are cheap from the dealer. There are plenty of DIYs out there for the install but it's pretty straight forward for both the antenea and ULF module.

http://www.hiunlimited.com/bluetooth...toothstart.htm

Now here's MY TRICK. I didn't have a pairing button. But you don't need one.

Remove the housing of the 18 pin connector that the pairing button is supposed to plug into (it is tucked in under the center console). There is an indention that you push down with a thin screwdriver and the housing pops off.

Then locate pins 1 and 17. Again using a thin screwdriver, push down on the exposed metal to push the pins out of the housing. You do not need to puch the pin out through the holes but you could. With very little force with the screw driver and pulling slightly on the wire, the pin will come out of the housing.

Then you have your pairing button. The procedure is simple... hold the two pins together and count to 3 and then turn your ignition to the 1 position and count to three then release the pins. You should see BT pairing on your radio.

After successful pairing, I easily slid the pins back into the housing and stuffed it away.

No pairing button required.
Not entirely correct.

A current gen TCU with integrated bluetooth as of May of 2009 was the 13th gen and I purchased this and a bluetooth antenna at my dealership for under $350 and had it installed and my car programmed for voice command as well. The only thing voice command will work with the TCU is for the bluetooth phone which I was ok with.

If you get the current gen ULF module (bluetooth only) then voice command will work with navi and phone. Anyway I just wanted to pass this along. The current gen TCU will work if your car is equipped with BMW Assist...
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Old 01-28-2010, 08:35 AM   #14
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Hockeyman, Did you ever get paired?
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Old 01-28-2010, 12:25 PM   #15
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ThankS for the help guys. I insured my car last weekend when the weather was nice but with rain and snow in the forecast for the next month the car will stay in storage until march and I'll have it checked out then. I phoned the local BMW deadlership and it looks like I will have to have a new gen ulf installed.
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Old 01-28-2010, 01:53 PM   #16
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Don't buy a ULF from BMW. They'll charge you an arm and a leg. Find a use one on this fourm or Ebay.
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Old 01-30-2010, 01:11 PM   #17
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If you have a 2005 E46 or newer car with BMW Assist then bluetooth is built into the Assist module. This started with model year 2005 cars. For 2004 cars, Assist was available but the bluetooth circuitry was non-functional. BMW even included a bluetooth passkey with some 2004 cars making the fact that bluetooth didn't work very confusing. If in a 2005 car you don't have Assist (which in the US is signaled by having the sharkfin on the roof) then you won't have bluetooth.

A TCU module is a module with BMW Assist. As noted later versions of the TCU module include bluetooth. In the first few years of TCUs, they were very expensive to buy for retrofitting purposes. Now they have come down in price significantly and you can buy a newer generation remanufactured TCU with Assist and bluetooth from Tischer for ~$350 (part number 84109195455).

A ULF module is a module that contains only bluetooth circuitry. It was originally designed to allow owners to add bluetooth functionality to their car by removing the Assist-only TCU module (model year 2004 cars) and replacing it with a ULF module. Early ULF modules were very buggy but later generations were OK (there were 13 generations). At first ULF modules were less expensive that TCU modules (about $500 vs $900-1000). Now with the drop in price of TCU modules, ULF modules are generally more expensive (still ~$500). ULF modules have become very hard to find. It may be that they are not being made anymore.

- ULF modules required a pairing button, TCU modules do not. TCU modules are in pairing mode for a few minutes after the car starts.
- Both ULF and TCU modules require a 4 digit pairing code to be entered on your phone to complete pairing.
- TCU and ULF modules contain voice recognition for phone dialing capabilities activated with the talking man button on the steering wheel.
- ULF modules also contain voice recognition commands for control of the OEM Nav system.
- ULF modules do not have BMW Assist functionality.
- If looking for a TCU module on the used market (ebay/Craigslist/forums) be aware that there are both CDMA (USA) and GSM (European) are ones being sold. Only the CDMA ones work in the US, even the bluetooth part. There are also newer MOST bus TCUs being sold from E92 (and other MOST bus cars). E46 cars are iBus based and require an iBus TCU.

If interested in bluetooth you should read this link:
http://forum.e46fanatics.com/showpos...8&postcount=18
and this one:
http://www.m3forum.net/m3forum/showthread.php?t=230898

Plus plenty of other links here and on M3forum.net you can find by searching.
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Old 01-31-2010, 01:21 PM   #18
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Hockeyman, I see you have an '05 M3. Before I would let the dealership go ahead and change out your TCU, pull the trunk covering back on the driver side and check to make sure your TCU doesn't have BT. I thought I didn't have bluetooth until I pulled my trunk apart and found out my TCU was BT ready and it also gave me the passkey I needed.

Another thing to note; I don't know if it was just a freak thing that happened to me, but on my previous '04 M3 I owned, the previous owner had swapped out the TCU (came factory with BMW Assist) for a BT ULF. I knew this when I bought the car and didn't think anything of it. Problem came when I imported it into Canada and wanted to have the DRL's (law here) turned on. Turns out, swapping in the ULF messed with the computer and wouldn't let the computer access any of the settings. I took it to 3 dealers in Canada and the US and they all told me that the only way I was going to be able to turn the DRL's on was to swap a TCU back in, make the changes, and then put the ULF back in. Nobody could explain why this was to me, everything worked in the car, including voice commands and BT, etc. In the end I just wired the fogs to come on all the time instead.

Just something to keep in mind, or maybe someone can shed some light on this issue.
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Old 01-31-2010, 09:30 PM   #19
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I'm confused. Why dies everyone say to pull the panels in the trunk to see if you have BT? Just press the dang R/T button. It does nothing if you don't have BT.
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Old 02-18-2010, 01:18 PM   #20
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ok,
i picked up on 04 vert w/ navi. been trying to find out if it has bluetooth. it doesnt have a talking man button on the center console, but has it on the steering wheel. I looked at the trunk and saw the box show on the pic. but it doesnt have any labels on it. So i dont even know what the passcode is if it has bluetooth.

Do I have bluetooth?
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should i put the sticker on before i do tints or after i do the tints? also i have a paking sticker and it will expire in a year so i think i will put it on after the tints? anyone has any suggestions ?? thx
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