DISA intake manifold plug for BMW M54, B22 and B25

   The DISA valve, an integral part of the airflow management system in production naturally aspirated engines, is designed to optimize the dynamics of airflow and the fuel-air mixture based on engine load and speed. It works by changing the effective length of the intake manifold, which in turn affects engine performance across different RPM ranges. In naturally aspirated systems, this valve is controlled by vacuum, which activates the mechanism that changes the manifold’s configuration.

   However, when the engine is modified by adding a turbocharger or supercharger, the airflow conditions in the manifold change drastically. Supercharging creates positive pressure in the manifold, which not only eliminates the need to control the flow using the DISA valve but also prevents it from functioning as intended.
   Therefore, the DISA valve is removed during such a modification, as its presence no longer provides any benefit in the modified engine, which now operates under positive pressure conditions.

Product Compatibility:

BMW 3 Series (E46):

    320i, 2.2L (M54 B22) 163KM (September 2000–February 2005)
320i, 2.2L (M54 B22) 170KM (September 2000–February 2005)
    325i/xi, 2.5L (M54 B25) 192KM (September 2000–February 2005)
330i/xi, 3.0L (M54 B30) 228KM and 231KM (June 2000–April 2005)

BMW 3 Series Compact (E46):

    325ti, 2.5L (M54 B25) 192KM (April 2001–December 2004)

BMW 3 Series Coupe (E46):

    320Ci, 2.2L (M54 B22) 163KM and 170KM (2000/01–2006/07)
325Ci, 2.5L (M54 B25) 192KM (2000/09–2006/05)
    330Ci/xi, 3.0L (M54 B30) 231KM (2000/06–2006/07)

BMW 3 Series Convertible (E46):

    320Ci, 2.2L (M54 B22) 163KM and 170KM (09/2000–12/2007)
325Ci, 2.5L (M54 B25) 192KM (09/2000–08/2006)
    330Ci, 3.0L (M54 B30) 231KM (June 2000–August 2006)

BMW 3 Series Touring (E46):

    320i, 2.2L (M54 B22) 163KM and 170KM (September 2000–February 2005)
    325i/xi, 2.5L (M54 B25) 192KM (September 2000–February 2005)
330i/xi, 3.0L (M54 B30) 231KM (June 2000–February 2005)

BMW 5 Series (E39):

    520i, 2.2L (M54 B22) 163KM and 170KM (September 2000–June 2003)
525i, 2.5L (M54 B25) 192KM (September 2000–June 2003)
    530i, 3.0L (M54 B30) 231KM (September 2000–June 2003)

BMW 5 Series (E60):

    520i, 2.2L (M54 B22) 170KM (July 2003–March 2010)
525i, 2.5L (M54 B25) 192KM (September 2003–February 2005)
    530i, 3.0L (M54 B30) 231KM (December 2001–February 2005)

BMW 5 Series Touring (E39):

    520i, 2.2L (M54 B22) 163KM and 170KM (September 2000–December 2003)
525i, 2.5L (M54 B25) 192KM (September 2000–May 2004)
    530i, 3.0L (M54 B30) 231KM (September 2000–December 2003)

BMW 5 Series Touring (E61):

    525i, 2.5L (M54 B25) 192KM (June 2004–December 2010)

BMW 7 Series (E65, E66, E67):

    730i/Li, 3.0L (M54 B30) 231KM (March 2003–July 2008)

BMW X3 (E83):

    2.5i, 2.5L (M54 B25) 192KM (March 2004–July 2006)
3.0i xDrive, 3.0L (M54 B30) 231KM (September 2003–July 2006)

BMW X5 (E53):

    3.0i, 3.0L (M54 B30) 231KM (April 2000–October 2006)

BMW Z3 Roadster (E36):

    2.2i (M54 B22 (226S1)): 2,171 cm³, 170 KM (125 kW), production: Oct. 2000 – Jun. 2002
3.0i (M54 B30 (306S3)): 2,979 cm³, 231 KM (170 kW), production: June 2000 – January 2003

BMW Z3 Coupe (E36):

    3.0 i (M54 B30 (306S3)): 2,979 cm³, 231 KM (170 kW), production: June 2000 – June 2003

BMW Z4 Roadster (E85):

    2.2 i (M54 B22 (226S1)): 2,171 cm³, 170 KM (125 kW), production: Oct. 2003 – Oct. 2005
2.5 i (M54 B25 (256S5)): 2,494 cm³, 192 KM (141 kW), production: Dec. 2002 – Dec. 2005
3.0 i (M54 B30 (306S3)): 2,979 cm³, 231 KM (170 kW), production: Dec. 2002 – Dec. 2005

DISA valve numbers: 11617544805, 11617544806, 11617502275, 11617502269.

Kit contents:

    Intake manifold plug, equipped with an original German Viton O-ring, characterized by resistance to oils as well as high and low temperatures. The O-ring is ground and free of burrs, ensuring a better seal.

Technical Specifications:

    Manifold plugs with an original German Viton O-ring, resistant to oils as well as high and low temperatures.
Plugs made of a special 6063 T66 aluminum alloy for the automotive industry.
Perfect dimensional consistency.

Aditech Sp. z o.o. assumes no liability for the use of this part on public roads. It is the customer’s responsibility to ensure compliance with the rules and regulations applicable in their home country. For use in motorsports off public roads.