Just diggin into the maxbim knowledge pool now..
Steering on e36 coupe started getting sluggish a month ago. Feels like the power steering fluid turns 'thick' for a moment - then back to normal.
It's been getting progressively worse on slow corners - feels like no power steering at all between 0-40kph.. but on higher speeds it's all good.
Had a complete power steering fluid flush (used ATF as suggested by BMW) and it was ok for a day.. then back to being 'non-powered' steering feeling.
There is no leak in the power steering system (checked)
There is NO NOISE at all coming from the steering pump.. and no squeaks or vibration coming from the car at all.
Anyone know what needs to be done?