Hi there,ive had major probs with not been able to unlock e46 330d and was told it was the key like many others,as i looked through the forum and found out it was the module at fault,got this fixed for £50 yes £50 while i waited 45 mins.
Here is the address and tellephone number for anyone interested he fits the 2 relays which is at fault within the GM5 module.
Test gear solutions ask for Mervyn Ashton
23 Camwal RD
Just like to say many thanks to all for information about this problem.