Dual Vanos O-Ring Seal Gasket Repair Kit Includes Anti Rattle kit and Bearing Races (Thick Washers that go between the bearings, plus the outer washers) //// Fits BMW 98-05 3-series E36 Z3 98-02 E46 M52tu, M54, M56...and Other Models See Fitting models below -----------------------------Each of our Anti Rattle set (Rings/Bushings & Bearings) are mounted to an actual BMW Vanos Piston when received from Supplier for a guaranteed fit -------------------------------Seals Material: O Rings: FKM (Viton Brushed type) // Seal Rings: TEFLON (Carbon Fiber + Bronze)-------------------Package Includes: 2 Larger Teflon Ring Seals with 2 FKM (VITON) O Rings // 2 Smaller Teflon Ring Seals with 2 FKM (VITON) O Rings // 2 Small FKM (VITON) O Rings (For Blind Plugs) // 1 Anti Rattle Kit (4 Bearings + 2 Rings/Bushings and the bearing Races: 2 Center Thick Washer + 4 Thin outer washers) // 1 unit Metal Seal/Gasket // 2 Round Metal Piston seals // 2 Copper washers for-Oil Pipe connections ------------------------------------------------------------------------------------------------------------------------------------------------------------------------Symptoms related to Vanos Unit Failing Seals: 1- Loss of torque and power especially in the lower and middle RPM range // 2- Uneven power and rpm distribution // 3- Louder and uneven idle // 4- Difficult takeoffs // 5- Increased fuel consumption --------------------------------------------------------------------------------------------------------------------------------------------------------------------Fits Fllowing BMW Models ------------ 6-cylinder engines-------- M52TU, M54 and M56 3 series E46 - 98-05----------- 5 series E39 - 99-03 E60/E61 - 02-05----------- Z3 E36 98-02 ------------- Z4 E85 02-05 ------------- X3 E83 03-06 ------------- X5 E53 00-06--------------