Sunday, May 31, 2009

Differentiated Intake System

DISA is the abbreviation for Differentiated Intake System. The intake pipes are joined by a connecting valve that is closed at low engine speeds, but which guarantees impressive torque values because of the lengthy route the air has to take.

BMW Differentiated Intake System

At high engine speeds, the valve opens so that the air intake route is shortened, thereby increasing engine performance.

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