Join Date: Dec 2005
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Hello and welcome to the forum.
Before you take the front door cards off,I'd try and have a quick look at the wiring where it goes into the door by the hinges.As the door is opened and closed the wires bend,and after time it can break them.
If all seems well here,then it could very well be the actuators.To access them you'll need to remove the door cards (the interior trim on the door) and this can be a mission in it's self as the cards tend to be stuck on with sealer.I haven't had a card off of a Megane for quite sometime,but hopefully another member can help out more.
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