Functional requirements
The system must have been initialized when the tire inflation pressure was correct; otherwise, reliable signaling of a flat tire is not ensured. Initialize the system after each correction of the tire inflation pressure and after every tire or wheel change.
See also:
Activating HDC
Press the button; the LED above
the button
lights up. ...
Resetting the tone settings
1. "CD/Multimedia", "Radio" or "Settings".
2. "Tone".
3. "Reset" ...
Under the Hood
The 528i has a 240-horsepower, 3.0-liter six-cylinder, while the 535i gets a
300-hp, turbocharged 3.0-liter six-cylinder. The 550i has a twin-turbo,
4.4-liter V-8 that makes 400 hp. All three use ...