hi everyone

i have a problem with my e53 x5 4.4i (2000)

Since monday, the steering help, doesnt work correctly... if i drive fast... the steering help deactivates itself...

but when i stop the car and start again, the steering help works again... if i drive fast, then deactivates...

and now, it completely doesnt work... i start the car again, and nothing happens, the steering help isnt work...


what can it be?

please help me, it doesnt make fun, to drive this car at the moment...

sorry for my bad englisch