Model: The car is based on a type Bmz passenger car, 2nd class. The minimum radius for operation is 360 mm / 14-3/16". The underbody is specific to the type of car. The car has Fiat type Y0270 S trucks with anti-roll shock absorbers and magnetic rail brakes.

The 7319 current-conducting couplings or the 72021 operating current-conducting couplers, E73400/73401 interior lighting, 73406 pickup shoe, and 73407 marker lights can be installed on the car.

Length over the buffers approximately 28.2 cm / 11-1/8".

DC wheelset E700580.

Prototype: Type Bcm accompanying car, or passenger car for Ralpin, Inc., Olten, Switzerland. The car looks as it did at the end of 2011.