Condensation under the parked vehicle
When using the automatic climate control, condensation water develops that exits underneath the vehicle.
Therefore, traces of condensed water under the vehicle are normal.
See also:
BMW 7 Series Owners Manual
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h3 {color:#0033CC}
h2 {color:#008000}
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Capacities
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Warning stages
Prewarning
This warning is issued, for example, when there
is the impending danger of a collision or the distance
to the vehicle ahead is too small.
Acute warning
Warning of the imminent danger ...