Replacement O-Ring for BMW DISA Valve M54 Engine (3 Series, 5 Series)

If your DISA valve O-Ring is defective or deteriorating, it results in air seepage into

the intake, leading to rough idling or misfiring in your vehicle.

Compatible with DISA valves for these specified models:

E39-525i 530i

E46-320i 325i 325Ci 325xi 330i 330Ci 330xi

E53-X5 3.0i

E60-525i, 530i;

E65-730i

E66-730Li

E83-X3, 2.5i, 3.0i

E85-Z4 2.5i 3.0i

Z3-Z3 2.5i 3.0i