See also:

X5 Diesel in the Market
From a driver's perspective, the diesel X5 is a worthy effort: quick on its feet and agile when it needs to be, yet comfortable for the long haul. Well-to-do families might still give it a look — ...

Avoid high engine speeds
Driving at a low engine speed reduces fuel consumption and minimizes wear. ...

Drive away without delay
Do not wait for the engine to warm up while the vehicle remains stationary. Start driving right away, but at moderate engine speeds. This is the fastest way for the cold engine to reach its oper ...