Single parts
SA 633, trunk 01 ... — '06, November Telematics Control Unit 84 10 9 129 850
That's Bluetooth. WDCT was canned in TCUs after late 2004.
Quote:
Bluetooth Quick Fix - Battery reset
Ok - so I have an 06 4.8is and a Motorola e815. I paired my phone and it worked flawlessly and I really enjoyed the bluetooth feature and the ability to drive with both hands on the wheel. Definitely recommend it for anyone who uses their phone a lot.
Then - one day i tried to make a call and the call went through the phone and not the BMW. I tried to pair the phone again w/o any luck. The phone icon from my display also went away.
Vehicle went to dealer and the problem was solved.
BUT - I thought I would post up the explantion printed on my invoice since this might save some of you a trip to the dealer
Invoice states: Telematics unit could not be identified. Attempted transport mode deletion w/o success. Completed a battery reset. Successfully paired bluetooth phone to car.
So - maybe a battery reset is a quick fix that might help you out if you run into my same problem and you can avoid a trip to the dealer.
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Source
Transport mode seems to be an issue that can prevent BT working. Transport mode could either be "shipping mode" or the BT H4 LCI Transport mode which is
some sort of control layer.
Quote:
iPhone and iPod touch
The iPhone control component is able to switch the Bluetooth chipset on/off and properly initialize them in HCI H4 Transport mode with baud rates from 57600-921600 on all iPhone and iPod touch devices with build-in Bluetooth. Higher rates cannot be specified yet, especially not the 2.4 Mbps used by Apple. The problem is not with the Bluetooth chipset. The termios call to set the speed of the serial port returns "invalid parameter" for higher baud rates.
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Your E-CALL and hence transport mode is disabled, possibly because of the GSM antenna.
Try F8 and a battery-off reset.