navigation help
 

hi everyone, i was sent here from a bmw forum. They said you guys have the best knowledge on navigation sytems.. I have navigation in my 2001 m3, im not sure what model (mkII, etc... ) however the navigation is not working properly, it is not getting any satelite signals and can not update the almanac. i went into sensors and it says gps malfunction. does this mean i have a bad gps antenna, how can i fix this problem.. thank you

hey guys i looked in my trunk and it looks like i have no trimble in the back.. i am going to purchase one however i do not know how it wires into the whole system.. can anyone help me out

unless im looking in the wrong spot.. where is the trimble located?

Firstly, your nav version is shown on the top right corner of the Settings screen

You probably have a 3-1/xx where xx is the version number

If you have 3-1/xx or 4-1/xx you do NOT need to buy a Trimble 9GPS receiver) as the receiver is built into the nav

Go into the nav service mode and see what it says about the GPS signal and report back here what you find.

Service mode:
Go into Settings
Press and hold MENU and wait
Service menu appears, go to GPS menu
Report on the GPS status information that you see

it says version 2/1-xx gps reciever sw version 0.0, gps status is all zeros, and under sensor gps status says gps malfunction. where is the trimble located

OK, you have a Mk2 nav.
The Trimble GPS Receiver is bolted to the bracket behind or on the side of the nav. You have to remove the trim to access it.

If you have a faulty unit, you should consider upgrading to a Mk3 or Mk4, the improvements are very much worth while.