Valve Repair Kit Rebuild Rattle Fit BMW DISA Fix Overhaul M54 2.2 2.5 Aluminium/. Intake Manifold Adjusting Unit DISA Valve Right Fit BMW 328i E82 E70 E90 E92 Z4. For BMW M54 3.0 Liter Applications. Valve Repair Kit includes a precision machined silver aluminum flapper valve, precision machined silver anodized aluminum bell crank lever, precision machined titanium pivot screw, stainless steel lock washer and a new silicone main housing o-ring seal.