Quote:
Originally Posted by Grover432
You should disable the DSC and take the same exit under the same road conditions and see where your car ends up.
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DSC works quite a bit in the background without flashing the light you see on the dash. DSC works with the E-Diff to allow it to behave a little like a limited slip diff so as you're power on in a left-hander, the inside wheel will have braking applied to prevent it from spinning up.
DSC off has the effect of locking the diff up, hence why you're able to kick the arse out.
xDrive is very intelligent but as others have said, AWD is unpredictable on the limit and should not be relied on.