See also:

Active Noise Control (ANC)
By identifying undesirable sounds in the cabin and then playing back through the speakers sound waves of opposite phase, the original noises are cancelled out, making the M's interior a quieter, m ...

On-pavement and off-road driving precautions
Utility vehicles have a significantly higher rollover rate than other types of vehicles. They have higher ground clearance than passenger cars to make them capable of performing in a variety of on-pa ...

Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended above can cause persistent, heavy spark knock. (Spark knock is a metallic rapping noise.) If severe, this can lead to engine damag ...