An air guiding system for a vehicle, particularly for a passenger car, is arranged in a rear area of the vehicle and has a main air guiding element that can be displaced from a moved-in inoperative position into a moved-out operative position. A support member extends outwardly from the first frame member. The first functional block comprises functionality relating to establishing connectivity and downloading of load modules from the external server. Inner walls are provided on the inner peripheral side of the recessed sections, and oil introduction openings that open on an inner peripheral surface are provided on the inner peripheral side of the recessed sections. Other methods and systems are also disclosed. The coil includes a plurality of coil windings or turns, wherein adjacent coil windings are connected together at a plurality of discrete connection locations to increase the torsional rigidity and torque transmitting properties of the coil without sacrificing the flexibility characteristics of the coil.