I have some Pentosin hydraulic fluid left over from a recent power steering flush. Where is the convertible top motor resovoir?
Originally Posted by marzer
It turned out the hydraulic fluid was low. The dealer charged the system to manufacturer spec. and it operated smoothly again, as expected. So i would recommend such a check up if your top is shuttering or sluggish.
2008 E-93 335i Convertible (ED)
(Looking at 2017 440 Convert.)
2014 X-3 35i (PCD)