DISA Valve / Intake manifold runner valve / Resonance valve / Adjuster unit.
DISA (from the german "DIfferenzierte SAuganlage"), means differential air intake valve. It controls the variable length intake manifold giving better torque at low revolutions by closing, keeping the intake runner long. For revolutions above 4000 rpm, it opens up and makes the intake runners shorter for more horsepower.
1 per car.
Part Number: 11 61 7 544 805 / 11-61-7-544-805
Brand: BMW Genuine