Functional requirements
The system must have been reset while 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 system will operate properly.
Reset the system after each correction of the tire inflation pressure and after every tire or wheel change.
See also:
Closing the hood
Closing the hood
Drop the hood from a height of approx. 16 in/
40 cm. It must be clearly heard to engage.
Hood open when driving
If you see any signs that the hood is not
completely closed ...
Parking lamps
Switch position
: the vehicle lamps light
up on all sides, e.g., for parking.
Do not use the parking lamps for extended periods;
otherwise, the battery may become discharged ...
Safety
Both the coupe and convertible have front airbags plus side-impact airbags
built into the front seats. As required of all 2012 models sold in the U.S., the
640i has standard antilock brakes and an ...