Quote:
Originally Posted by walmark
I'm sure it's obvious to some of the knowledgeable people around here, but I am a little confused based on what I see under the hood.
From my reading I found that the Xdrive models have a hydraulic power steering while the rear drive models have electric. That's why you can have parking assistent on the rear wheel drive but not the xdrive.
I have a 2015 550i rear wheel drive with integral active steering and parking assistent. But when I open the hood I can see a power steering fluid reservoir in front of the engine bay on the driver side. So... electric or hydraulic?
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Have you got Adaptive Drive? (DHP). ARS (active roll stabilisation) uses a hydraulic pump, so has the appearance of HPAS being fitted.
I've got EPS and the hydraulic components for ARS, on my 535i.