Tll us what software version is fitted to the nav - it's displayed in the top right corner of the "Set" screen.

The current version is 3-1/63.
Anything older (3-1/50, 3-1/40 etc) should be updated, as the software updates fix software bugs.

Once you have confirmed you have the latest software, please go into the Service Menu and report to us your GPS status.
To access Service Menu, go into the Set screen, then press and hold MENU until the Service Menu appears.

Report the GPS S/N readings, how many satellites are being receiver, your PDOP value and the GPS status.

You should also check the sensors:
Direction of travel should be Backwards in reverse, forwards in all other gears
Wheel speed pulses should be 0 when stopping, and with speed
Gyro should be 2500 +/- 100 when still, and go down when turning left, up when turning right.

And remember: when entering an address, you must select "Start guidance" to commence the route calculation.

hi thanks for the reply
will do them stuff you asked me to do and wil let you know tomorrow
the only trouble is
i havent got the wheel speed senor connected
i fitted the satnav and i never fitted the wheel speed senor
theres nothing for me to fit it to
if it helps i never had satnav or the screen in my m5
i came with the busseiness sterio

Without wheel speed signal the satnav will struggle when it has no GPS signal.

Eg in built-up cities, in car parks, in tunnels you'll find the GPS stops working.

If you used the retrofit kit then it's easy to connect the wheel speed signal.
Even without, it's easy to connect.

hi kiwijochen
the soft ware is 3-1/30
i had 6 satelites
the gyro was working as you described
the speed signal was 0

see the thing is with the sat nav i fitted it wasnt a retro kit
it was fitted in a car before hand
and when i bouight it it was a budle of wires

fitting the speed signal
what sort of job is it and would you have an idea where i would find the wires to connect?

also if your saying that i dont have to have it connected then im guessing that isit my problem
but i will do the job with your help
do you recon that a upgrade in the software will cure my problem?
if so where can i get the upgrade from?

thanks for your advice very much appriciated
hass

The speed signal might be your problem if your GPS signal is weak.
eg: if you are driving around a part of London where the you are on narrow streets and srrounded by high rise buildings, you can easily have GPS reception problems - if you have speed pulse connected, the nav keeps on working when it has no GPS signal. But no speed pulse = it stops working.

What PDOP and what satellite S/N signals were you getting? These figures determine GPS accuracy and tell us if your antenna is good.

Your software is very old, the current version is 3-1/63
It's worth updating. You will get split-screen mode and vastly improved graphics.
You'll need the BMW OS CD and the Key CD.
Both are here:
GREN.RU - Ïðîøèâêè äëÿ Íàâè áëîêîâ ÁÌÂ

Any OS CD from V22 and newer has 3-1/63 on it.
When getting ready to burn the image, please check the image is Mode2/Form1 before burning - a Mk3 will read Mode2/Form1 CDs but will crash when reading Mode1
Tip: ImgBurn is a vey good reliable and free burning program (The Official ImgBurn Website)

The wiring diagram of the nav system is in the retrofit instructions. Ideally, you want to use the DF_AVL (or AVR) speed pulse signal (L or R front wheel speed pulses). Have a look at the wiring diagram, The supplementary wiring harness is what is used to connect the speed pulse on the retrofit loom, but because you used an original loom, the speed pulse wire should be in the main part of the loom.

Post some photos or describe the unused connectors and wires (with their wire colours) of the loom you used, and we'll tell you what wire is the speed pulse wire.

hi kiwijochen

i can understand your theory on the speed signal

i have writen down all the readings for you
ON-BOARD MONITOR VERSION
SW LEVEL=42
HW LEVEL=40
DIAG INDEX=31
BUS INDEX=10
ENCODING INDEX=17
SUPPLIER=17

NAVI/GRAFIC
SW LEVEL=30
HW LEVEL=10
DIAG INDEX=04
BUS INDEX=09
ENCODING INDEX=04
SUPPLIER=0103708.21

GPS VERSION

RECIEVER SW VERSION=8.6
RECEIVER SW DATE=23.3.0

SENSOR CHECK

WHEEL SPEED=0
GPS SATELLITE=04
GPS STATUS=SATELLITE CONTRACTED
GYRO=02549
DIRECTION OF TRAVEL=FORWARD

VIDEO MODULE VERSION

SW LEVEL=11
HW LEVEL=04
DIAG INDEX=02
BUS INDEX=11
ENCODING=02
SUPPLIER=09

GPS STATUS

LATITUDE=51*39'33'' N
LONGITUDE=360*02'47''W
ALTITUDE=50M
DATE/TIME=07,05,09 20.25
6-SPEED/HEADING= O.2MLS 111
REC STAT/POS-SRC=POS 3D/6
PDOP/HDOP/UDOP=4.8/2.8./3.9

I hope i have the right info for you
btw i borrowed my friend mk3 unit today and pluged it in
everything was ok he had the 60 update and he had split screen it look wicked
even satnav worked on mine
when i plugged mine in hes it still was doing exactly waht it was doing in my car
also i have some pictures for you too
of the plug that im left with


and this plug it has 1 wire missing



also
i went on that link you sent me to get the updates
sorry im confused i dont knw which one to download
i thought it was the 22.1 one but when i click on it nothing happens
i downloaded the img burn
and what does os cd mean?
im gonna try and figure out how to download the software buy reading other threads but if you can tell me how to do it or try and guide me best as you can it will be very helpfull

thanks very very much for your advice and time
hass

satnav works now yesssssssss
basicly the update cured the problem
i have 1 slight problem the bmw emblemb dont come on on start up
and i found the wire which is for the speed signal
but i dont know where to connect it

BMW logo only appears on cold start, not warm start.
Cold start only occurs after car is locked and left alone for min 60s

Wheel pulse:
On an E39 M5 get it here:

Wheel pulse = DFAVL signal = yellow/red
Pin 35 of ABS control unit in the engine bay

Or DFAVR, pin 18, yellow/white

Refer to the WDS for more places the speed pulses can be found

thanks kiwijochen
the wire was pin 18
and yea the emblem does work on start up my bad
mate you've been a real help to me
my sat nav is up and running and all thanks to you guys
thank you