Lower Intake Manifold Adjusting Unit (DISA Valve) - E90 330i, E82 128i, E9X 328i N51, 530i, X3, X5

Replacement Lower DISA valve to restore torque and performance. Replaces BMW #11617579114

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Price:
$318.06

This is the lower DISA valve located in the intake manifold of the N52 engine in the E90 330i, E83 X3 3.0si, and E86 Z4 3.0si, as well as the N51 engine in the SULEV E82 128i and E9X 328i. DISA is "Differential Intake Air Control", also known as variable length intake runners. It's a flap system that redirects the intake air inside the manifold depending on load and RPM. The N52O has two DISA valves - upper and lower. This part is the lower valve, located under the throttle body on the driver's side and it works at low and mid RPM. At low RPM the lower flap is closed which helps boost low end torque. At middle RPM the flap is open all the way to improve mid-range torque. A faulty upper DISA valve will cause the engine to feel sluggish or unresponsive in the low and middle RPM. There is no fault code for the DISA valve itself, although several related faults and check engine lights may be traced back to it - fuel trim, misfires, lean condition, and fuel mixture. There may also be a clicking sound from the driver's side of the engine bay as the DISA solenoid tries to operate the butterfly flap. The o-ring seal on the outside of the valve body can also fail and lead to vacuum leaks.

This is a new Genuine BMW DISA valve for the E82, E90, E92, X3, and Z4, and comes with a two year warranty.

BMW Fitments:

1 Series
E82 / E88 (08-13) > 128i
3 Series
E90 / E91 / E92 / E93 (06-13) > 323i
E90 / E91 / E92 / E93 (06-13) > 328i
E90 / E91 / E92 / E93 (06-13) > 328xi
E90 / E91 / E92 / E93 (06-13) > 330i
E90 / E91 / E92 / E93 (06-13) > 330xi
5 Series
E60 / E61 (04-10) > 530i N52 (2006-2007)
E60 / E61 (04-10) > 530xi N52 (2006-2007)
5 Series
F10 / F11 (11-16) > 528i N52 (2011)
X3 Series
E83 X3 (04-10) > X3 3.0si N52 (2007-2010)
X3 Series
F25 X3 (2011-2017) > X3 xDrive28i
X5 Series
E70 X5 (07-13) > X5 3.0si
Z Series
E85 / E86 Z4 (03-08) > Z4 3.0i N52
E85 / E86 Z4 (03-08) > Z4 3.0si N52
Z Series
E89 Z4 (2009-2016) > Z4 sDrive30i
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