BMW DISA Valve O-RING For Intake Manifold for E46,E60,E56,E83 w/ M54 M56 Engines
$4.95
BMW DISA O-Ring. If you have a failed or failing DISA valve O-Ring, air leaks into the intake and. This is the O-ring between the intake manifold and the DISA (Differential Intake System Adjuster) valve.
