Subject: Very interesting... that may explain why you can't find the coax plug up front Author: Brian (moderator) : member since January, 2005 : 6309 posts Posted on: 2008-08-04 10:04:12

Normally, the coax antenna cable runs to the trunk compartment. Then it hooks directly into another antenna cable that runs up to the arm rest. It typically just has a butt-joiner connector, or it passes through an antenna compensator module. In your case, the antenna connects directly to the TCU and it does not run forward. Therefore, you probably do not have the 2nd coax cable in your car.

I would ignore the missing coax antenna line for now. It has no affect on your other issues and overall system performance. It would only matter if you had an eject box with for a phone that links to the antenna. Since you do not have that, the car's built-in antenna is unused.

You fully removed the original TCU and all of the related phone components, right? If not, you need to. You should only have your new Bluetooth ULF installed in the trunk compartment. You do need to modify the wiring in the eject box also. I think that this is what BMW635 figured out in his installation. The eject box wirign mods feed the I-Bus signal back to the ULF.

http://www.bimmerboard.com/forums/posts/502013
http://www.bimmerboard.com/forums/posts/117026/

• Installation problem - foxymd 2008-07-31 09:31:00 (83 views)
  • ... does anyone have any idea? (nt) - foxymd 2008-08-03 15:22:42 (49 views)
  • ... and I couldn't find the SES plug where to connect the SES jumper. (nt) - foxymd 2008-08-01 01:10:49 (45 views)
    • It's OK that you do not have the SES plug... - Brian 2008-08-03 17:18:50 (42 views)
      • That means that if eject box is not working... (url) - foxymd 2008-08-03 17:49:43 (43 views)
        • Very interesting... that may explain why you can't find the coax plug up front (url) - Brian 2008-08-04 10:04:12 (52 views)
          • Yes, I have removed all of the related phone components (url) - foxymd 2008-08-04 12:56:39 (45 views)
            • I would go with the pinouts in BMW635's post... - Brian 2008-08-04 13:58:22 (43 views)
              • Jumpers (url) - foxymd 2008-08-31 03:41:16 (12 views)
                • I cant start pairing because there is no I-bus loopback. (url) - foxymd 2008-09-03 03:51:47 (5 views)
                • There's no jumper by the 18 pin/ ELO conn. It's a momentary on switch for (pic) - bmw635 2008-09-02 20:50:53 (13 views)
              • Thanks Brian ! - foxymd 2008-08-04 14:58:17 (27 views)