If you change the fluid and filter in the transmission then a few days later change the fluid again it will fix it. Update - Friday night, drained the gearbox, removed the sump and replaced the filter. Got about 4L of fluid out plus a mess on the floor - filled it with around 4L. Immediate ...

Update, I abandoned WinKPF and managed to get SSS working - had to disable the firewall. Quite a slow process, if you doing it make sure you have a battery charger connected and your laptop plugged in. Part the way through the process out popped the ECU number 7558474 (now found it on WINKPF under ...

The plot thickens - I have searched the BMW EPC high and low and cant find a controller for the gearbox, the part number I have read via INPA (7557063) is not even recognised. I have managed to read the UIFM data but have no idea how to interpret it - 0x00000000 40 4C 58 32 32 33 33 38 20 05 09 06 ...

Thanks for the response, that looks like the correct box.
Where do I find the 7 digit ZB number that allows me to download an update to the software via WinKFP

Hi Guys, I have just got rid of my trusty old 2002 X5 in favour of a well equipped late 2005 le Mans 3.0d model Unfortunately its got a couple of little issues. First the Gearbox has the well written about lurch problem - when you come to a stop after about 1-2 secs the gearbox seems to clonk ...