yes the system is split front to back, the markings are on the master cylinder as V and H

V = front
H = rear

use a flashlight to see fluid in the master cylinder container when bleeding the brakes, the dividing wall is pretty tall inside and you may pump air into the system.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)