BMW DISA Valve Unit 11617544806 (Topran 502316)

This high-quality aftermarket DISA valve unit (also known as intake manifold adjuster / air control flap unit) is a direct replacement for OEM part number 11617544806. It restores proper intake runner control and airflow switching on select BMW petrol 6-cylinder models, helping maintain smooth low-RPM torque and overall drivability.

Key Features:
- Direct replacement for OE part number 11617544806
- Aftermarket brand number: Topran 502316
- Intake manifold DISA/air adjustment valve unit
- Restores correct variable intake runner operation
- Helps reduce hesitation, poor low-RPM response, and intake rattle
- Built for long service life under normal operating conditions

Compatible With:
- BMW 5 Series (E39) Saloon & Touring – 520i 2.2, 525i 2.5 (2000-2003/2004)
- BMW 3 Series (E46) Saloon, Coupe, Touring, Convertible & Compact – 320i 2.2, 320Ci 2.2, 325i 2.5, 325Ci 2.5, 325xi 2.5, 325ti 2.5 (2000-2007)
- BMW Z3 (E36) Coupe & Roadster – 2.8i, 3.0i (1998-2003)
- BMW Z4 (E85) Roadster – 2.2i, 2.5i (2003-2005)
- BMW 5 Series (E60) Saloon – 520i 2.2, 525i 2.5 (2003-2005)
- BMW 5 Series (E61) Touring – 525i 2.5 (2004-2010)
- BMW X3 (E83) SUV – 2.5i (2004-2006)

Engine Codes:
M54B22, M54B25

Year Range:
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

Fitment Note:
This is an aftermarket replacement part, not a genuine BMW component.