See also:

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. ...

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. ...

1998: the fourth generation - common rail direct injection, VALVETRONIC and BMW xDrive
The fourth-generation BMW 3-Series was launched in May 1998 and brought with it another hike in output, comfort and safety. The new model was four centimetres (approx. 1.5 in.) longer and wider th ...