Genuine Intake Manifold Adjusting Unit (DISA Valve) - E46 330i, E39 530i, X3, Z3, Z4

Genuine BMW replacement DISA valve to restore torque and performance, # 11617544805

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This is the DISA valve located in the intake manifold of the M54 engine in the E46 330i, E39 530i, 2004-2005 E60 530i, Z3 3.0i, and 2003-2005 Z4 3.0i. This also fits E46 325i but only with the M56 SULEV engine spec. 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. At low RPM the flap is closed which helps boost low and mid-range torque. At high RPM the flap is open all the way which provides the most air volume for high RPM power. A faulty DISA valve will cause the engine to feel sluggish or unresponsive in the low-mid 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 E46, E39, E60, Z3, and Z4 and comes with a two year warranty.

BMW Fitments:

3 Series
E46 (99-05) > 325i
E46 (99-05) > 330Ci
E46 (99-05) > 330i
E46 (99-05) > 330xi
5 Series
E39 (97-03) > 530i
5 Series
E60 / E61 (04-10) > 530i M54 (2004-2005)
X3 Series
E83 X3 (04-10) > X3 3.0i M54 (2003-2006)
X5 Series
E53 X5 (00-06) > X5 3.0i M54
Z Series
E36/7 / E36/8 Z3 (96-02) > Z3 3.0
Z Series
E85 / E86 Z4 (03-08) > Z4 3.0i M54
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