Quote:
Originally Posted by jonnyhicks
Hi everyone.
I've just retro fitted a bluetooth system to a 02 X5 4.6is from bimmernav with no problems at all.
The only issue I have is the radio does not mute when a call is made or recieved although mutes fine with nav.
Does anyone know how to resolve this?
Thanks
Jonny
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Check the telephone mute line (TELM) that goes from ULF to the radio.
Is it connected?
Measure the voltage on the line when a call is active.
TELM is on pin 8 of the X322 loom connector
It's white with a brown stripe
Goes to pin 10 of the X18126 of the radio module (old gen)