High-strength body structure with extremely stiff passenger cell

The body of the new BMW 3-Series Sedan meets the highest standards across the board. Large and extremely durable supporting structures and the intelligent use of high and ultra-high-tensile multi-phase steels maximise the strength of the safety passenger cell, while keeping weight low. Precisely calculated load paths ensure that impact energy is spread around the passenger cell to other areas of the body such as the floor structure, side members, front bulkhead and roof, and absorbed by defined deformation zones of the front and rear. In the event of a side-on collision, reinforced structures in the B-pillar and sills, high-strength side impact members in the doors and sturdy seat cross-members protect the occupants from injury. With its strengthened pillars and roof members, the passenger cell also provides a secure survival area for the occupants if the car rolls over. The body of the new BMW 3-Series Sedan is over 10 per cent more rigid again than its predecessor - good news for drivers who like to see vibrations suppressed and steering precision nurtured.

    See also:

    The concept
    The parked-car ventilation blows air into the passenger compartment to lower interior temperatures. The system can be switched on and off at any external temperature, either directly or by using ...

    Optional M Sport brake
    For performance-minded customers, BMW can alternatively offer the M Sport brake, which combines high performance standards with sporty styling. Aluminium four-piston fixed callipers at the front a ...

    Initialization after a power failure
    After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...