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Originally Posted by gbogh3
Here are my question:
If you push the button for DSC off, the dash says 4x4. Is this like 4x4 high, on a "real" 4x4 drive car, like a jeep or does it give you 2 wheel drive? I am not really sure when I should be turning DSC off.
Thanks.
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The "4x4" label is a misnomer. When you push DSC, it turns stabiliy control off so it doesn't cut power like others mentioned. There is no low-range on BMWs. Depending on your model year, pre-2004 X5s had a fixed AWD system with 62% power going to the rear, and DSC braking individual wheels when needed. 2004 on wards, there was the xDrive AWD system that shifts power front/rear instantly and variably so that it can be anything 0/100, 50/50, or 100/0. This requires DSC to do less and only intervene when power distribution alone isn't enough.
Bottom line: When off-roading or trying to get going in deep snow, turn DSC OFF so you can let the wheels spin a bit without too much intervention.