See also:

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 ...

Remove attached parts following use
Remove unneeded auxiliary mirrors, roof or rear luggage racks after use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

Lingering Issues
The X5 hasn't aged well. The styling — unchanged since the second generation hit dealerships in late 2006 — looks expressive up front but ham-handed in back. From the glove compartment to the cent ...