Seller notes

BMW DISA O-Ring (FREE SHIPPING) If you have a failed or failing DISA valve O-Ring, air leaks into the intake and causes your vehicle to idle rough or misfire. You can spend $200 to $300 for the complete valve at your dealer or spend less than $4 and 15 minutes in your garage. This is the O-ring between the intake manifold and the DISA (Differential Intake System Adjuster) valve. (DISA controls the length of the intake manifold runners at different engine rpm.) Genuine Viton Core O-Ring meets or ...

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