BMW 3.0L M54 DISA Valve Repair & Upgrade Kit - For 3.0L Engines Only, 2.2L & 2.5L Version is available as Seperate Kit. Fit the following BMW models with 3.0L M54 engine: E36 Z3 3.0i, E39 530i, E46 330i, E46 330Ci, E46 330xi, E53 X5 3.0i, E60 530i, E65 730i, E66 730Li, E83 X3 3.0i, and E85 Z4 3.0i Roadster. DISA housing will show BMW part number 7544805 or 7502275. NOTE: THIS KIT FITS 3.0 LITER BMW MODELS ONLY, SEE SEPERATE LISTING FOR 2.2 & 2.5 LITER MODELS. Also fits 2.5L M56 engines. Designed & Manufactured in the USA by BMW Specialists with a Limited Lifetime Warranty. Precision CNC Machined from Aircraft Grade Aluminum and Titanium Alloys. Don't accept cheaply made "Copy Cat" kits or failure prone plastic replacements. Purchase with confidence from the company that invented the "DISA Repair Kit" The German Auto Solutions DISA Repair Kit includes a precision machined black anodized aluminum flapper valve, precision machined black anodized aluminum bell crank lever, precision machined titanium pivot screw, stainless steel lock washer and a new silicone main housing o-ring seal. We also include everything you need to easily & accurately install our kit. The German Auto Solutions DISA Repair Kit includes a link to the most detailed on-line installation instructions in the industry.