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Old 12-16-2007, 10:52 AM
Join Date: Nov 2007
Location: uk
Posts: 2
vikingboy is on a distinguished road
2001 e39 bimmernav bluetooth retrofit issue

Hi all,

I recently received my order for a e39 bluetooth retrofit kit (1/97 - 01/00 and 01/00-2/02)

Im having some issues making it work though and wonder if you anyone has any ideas?

The vehicle was manufactured in 09/2001 and came prewired wired with a motorola car phone already. I bought the car recently and wanted to add the missing bluetooth functionality.

I replaced the standard mic witht he upgraded one from the kit.

I removed the gold coloured motorola box from the central armrest area and installed the new bluetooth blank with pairing button in the central armrest.

In the trunk/boot the RS232 was easily found plugged into another large black plastic motorola box along with an earial booster unit, I removed the rs232 connector and the three pin power and two FAKRA connectors from the booster unit.

I plugged the RS232 plug into the supplied RS232->54 pin ULF connecotr wiring harness (this has a amplfier module attached too). I connected the bluetooth aerial to the ULF and turned ignition on.

The problem is there is no display of "telephone" on the TV screen anymore (it was there before with the motorola kit)

I can press the talk button in the centre armrest and it beeps and/or says "system off".

The only deviation from the supplied instructions was that I was unable to find any blue connector with white lever to connect to the SES plug, do all vehicles have this? Would this stop the bluetooth working or only the voice recognition?

I also have a traffic master unit fitted into a MKIV satnav unit if this makes any difference.

Any help would be appreciated, thanks all

PS Ive emailed bimmernav as well but they havent had time to respond yet either.
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Old 12-16-2007, 03:51 PM
DaveNW's Avatar
Join Date: Nov 2007
Location: Washington state
Posts: 201
DaveNW is on a distinguished road
I don't know about your vehicle or your particular install issue, but I do know that if it says "System off" it sounds like your cell phone isn't properly paired with the system. If you know the phone IS paired properly, then you have another problem. But if it doesn't indicate "Telephone," I'd guess it isn't seeing your phone.

I'd recommend trying the pairing process again, and make sure you enter the four-digit bluetooth code for your ULF on your phone, at the place where it asks for a password for the discovered BMW bluetooth connection.

nce yo're properly paired, it may/should work. Or at minimum, will show you your phone name or whatever at the "Telephone" prompt. I think.

Good luck!

2003 4.4i (The X5 is WAAAY more fun than my Jeep used to be... )
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Old 01-14-2008, 06:14 PM
Join Date: Nov 2007
Location: uk
Posts: 2
vikingboy is on a distinguished road
ok so I finally got the system working. What should have been a 1.5 hour install job actually took a whole weekend and an evening working on trying to diagnose the fault.

Turns out the rs232 to ULF cable shipped had a misplaced pin, pin 7 should have been in place 6 and this was the cause of the system not recognising the ULF. A pretty simple fix later and everything now works. Its a very cool system now its working but the install was a PITA when a simple checkbefore shipping could have saved me a load of hassle. Martin was good once he got involved in helping me diagnose the error but I would have preferred to have not had to mess around at all to get it working.

Solution posted to help anyone else with a similar issue.

cheers guys
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Old 01-18-2008, 02:15 PM
Join Date: Feb 2006
Location: Austin
Posts: 289
ambishop is on a distinguished road
Sorry that you were struggling with the Wiring. We had an employee who has now been replaced. Unfortunetly he did not pay too much attention to detail. Everything is back on track now. I appologize for the frustration, but glad everything was sorted out.
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