2012 BMW 640 review
See also:
Driving tips
This chapter provides you with information useful
in dealing with specific driving and operating
modes. ...
Tire condition
Inspect your tires frequently for tread wear, signs of damage and for foreign
objects lodged in the tread. Check the tread depth.
Minimum tread depthThe tread depth should not drop below 0.12 in/3 ...
Avoid high engine speeds
Driving at a low engine speed reduces fuel consumption
and minimizes wear. ...
