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[rwall23]

VANOS (Variable Nockenwellen Steuerung) is an automobile variable valve timing technology developed by BMW. VANOS varies the duration of the intake valves by moving the fulcrum of the camshaft. BMW recently began offering "double" VANOS, which operates on the exhaust camshaft as well, on a number of its cars.

everything 93 and up had vanos i think... 92 did not

I credit SpeedInfusion for that definition!