So. I know it’s not operating because I drive on snow and ice every day. When I am at a stand still I barley move while my rear wheels spin, when the Dsc is off. When I’m in deep snow I can clearly see that my front wheels have no power to them when the Dsc is off. I’ve almost gotten stuck in deep snow clearly seeing them not spin. When I go up steep inclines I can barley make it up because the rear will spin. My dsc works perfectly so it helps quite a bit but sometimes I have to turn it off to get up or out of things. Ive had people watch I’ve watched front tires never spin. I’ve gone over small snow mound and almost gotten stuck because I clearly have no power to the front tires. It drives identical to my 540i.

Everything else is in perfect working order as far as I can tell. I’ve taken all my wheels off and can’t see anything. I have two drive lines so I don’t see how it could only be 2wd

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2003 x5. 4.4
2003 540i M-tech