Thanks @workingonit that makes two of us

@Andrewwynne, don't know what bi directional means in this context. but specs are listed by @workingonit above

One odd thing I have come across is the absence of level sensors from the left side of the car. They are installed on the Right side both front and rear. I have owned the car since new, so that's how it came from factory. However, Bentley manual says it should have level sensor on all 4 wheels, weird.

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2004 X5 3.0