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Old 03-01-2006, 12:13 PM   #1
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Question E46 2001 Coupe steering wheel telephone controls

On my e46 2001 325Ci I have a couple of buttons on the steering wheel that I believe relate to the installed (Nokia) car phone kit.

One has R/T written on it and one has what looks like a speech symbol

Could someone please explain how these work to me ?
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Old 03-01-2006, 12:45 PM   #2
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I activated the Blue Tooth function on my phone and my phone found my car, I then plugged in my pass code and my phone and car were paired up. To use the Blue Tooth speaker system in my car with my phone you hit the R/T to switch to telephone then scroll through your address book and hit the little face button just below the R/T button and your phone will dial through the speaker system and you will be able to talk hands free. I hope that helped with your question, if you need more help you can PM me.
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Old 03-01-2006, 01:19 PM   #3
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R/T means "radio/telephone" - so pressing it toggles between the two functions of your system. and the talking button is pressed quickly to redial, and held for a second to receive a voice command. both buttons are functionless without the bmw phone system or the ULF bluetooth system.
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Old 03-01-2006, 02:06 PM   #4
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Is it possible to reroute these buttons to something other than the telephone, like to an on off powered switch or something of the sort?
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Old 03-01-2006, 02:25 PM   #5
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can't see that you'll be able to get those buttons working via bluetooth as i don't believe 2001 models are supported.

should work ok when properly hooked up to a car phone though. might need some professional assistance!
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Old 03-01-2006, 04:08 PM   #6
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I used the those buttons in my phoneless e46 for my new aftermarket head unit (in my case, an Eclipse AVN5435). The R/T button is used to change sources and talking button is used for muting. Very cool.
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Old 03-02-2006, 02:27 PM   #7
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Thanks guys. It seems that my steering wheel controls probably aren't connected to the (professionally installed, but Nokia, not BMW cradle). Pressing R/T or the voice button does nothing, neither does the steering volume control work on the phone.

There must be some degree of integration with the stereo because when the phone rings or I activate the phone in the cradle using it's keypad the stereo mutes, and comes on again when the call completes.

As for bluetooth, I know there's a retrofit option available, but at over 1000 from BMW I think I can live with reaching a few inches further to the phone cradle.
After all, if I'm gonna spend an extra 1000 on the car it's gonna get mv or mv2 wheels or a leather interior!
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