Thread: DB25 TO TCU PIN OUTS SCHEMATIC
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Old 06-02-2011, 10:54 AM
babenis babenis is offline
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Join Date: May 2010
Location: Toronto, Canada
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Thumbs up retrofit on 2002 X5 (E53) works great using this pinout
Just an FYI:

I used this pinout to retrofit bluetooth in my 2002 BMW X5 and I'm glad to report that it works.

I used ECE TCU index 05 HW SW versions 50 / 28
all specifics can seen in pictures on this post:
http://www.xoutpost.com/electronics/...us-x5-e53.html

I had to force the unit to go into Pairing Mode using INPA, and that's the only way I was able to pair my phone to the unit. NavCoder didn't seem to have been working and also, the unit doesn't go into pairing mode on the ignition restart, unlike what most people suggest that TCU enters pairing mode for the first two minutes.

I removed all phone related options from my Vehicle Order and added SA633 only for the setup to start working.

Any suggestions on how to get the vehicle to enter the bluetooth discoverable mode?
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