It is a shame the replacement parts are so costly for you in the UK. In the US, BMW dealers sell replacement ULF modules for $480 (~355 Euros) and replacement TCU modules for $340 (~250 Euros). Of course, we get ripped off in many other areas, so it all works out in the end.

__________________
SOLD
2000 E38 750iL Highline Edition, Upgraded with the lastest 2006 X5 Electronics
MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input