Join Date: Dec 2005
Nominated 2 Times in 20 Posts
TOTW/F/M Award(s): 18
Thanked 1,103 Times in 942 Posts
Hello and welcome to the forum.
I doubt very much that disconnecting the battery would effect the immobiliser.I've never had it happen on a Renault yet,but I suppose there is always a first time.
You should be perfectly OK.
I'd rather push my Alfa than drive a BMW....
Currently in Lagdti's garage:
2004 Saab 9-5 HOT Aero and a 2001 Audi A3 1.8 Turbo