14th October 2012, 07:03
M5 Guru (>2000 posts)
Join Date: May 2010
Location: Thessaloniki Greece
Thanked 1,033 Times in 621 Posts
I strongly doubt it is the steering angle sensor. Symptoms are different.
I suspect the main bearing in the steering pump itself. It is tough when first starting up and then loosens up. It is a strong sign that the steering pump is gone.
Dangerous thing is it may die while driving and you will be left with a steering wheel heavy as a brick, which will most likely lead you to an accident.
I would check the steering pump IMMEDIATELY.
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