Join Date: Dec 2005
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It definately sounds like the infamous leaking aerial problem.
A new sensor is around £60,and you'll need the number of off the old unit.Easy DIY repair.
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