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

See also:
Functional requirements
The system must have been reset when the inflation
pressure was correct; otherwise, reliable
signaling of a flat tire is not ensured. Always use
wheels with TPM electronics to ensure that the
...
Perfect handling: high-quality suspension technology, even weight
distribution and improved stability control
The new BMW 1-Series boasts best-in-class suspension technology, with a
double-joint cross-strut front axle with McPherson struts and sway bars, and a
five-link rear axle. The high aluminium conte ...
Pressure specifications
The tire inflation pressure table, contains all pressure specifications
for the specified tire sizes at the ambient temperature.
Pressure specifications apply to approved
tire sizes and recommend ...
