S62 Vanos Sprocket Hub Diaphragm Spring Sets (x2). Suitable as an upgrade for S50B32 and S54 Vanos units as a longer lasting and more effective spring. Genuine BMW parts, includes two sets of springs and pressure plates. These are recommended with any S50B32, S54B32 or S62B50 Vanos rebuild, as denoted by Beisan Systems Rattle Repair instructions. Two sets (order quantity of 1) is enough for one S50 or S54 rebuild, please make order quantity of 2 per S62 rebuild.