After some more investigation work with the water leak I have yet to find the problem, water does not appear around the light cluster or the battery houseing and while the car has been stood in the rain no more water has appeared in the boot. I have spoken with an x BMW mechanic who said water ...

Thanks for the info will check it out asap and let you know the outcome.

Had a problem pairing my phone with my 30d sport 06, after doing some web serching I located the bluetooth tcu in the boot where all the sat nav and auto changer equipment is fitted only to find it sitting in an inch of water :(. lucky for me I took the unit apart dried it out and it now works fine ...