This MAHLE piston (part number 081 15 02) is a replacement piston matched to the engine's bore specification on BMW 325i/325is/325iX/525i applications listed in the fitment table below. MAHLE is one of the largest automotive systems suppliers in the world, known for filtration, pistons, rings, and sealing parts produced to OE specification.Technical Details Manufacturer part number: 081 15 02 Part type: Piston Vehicle system: engine cylinder assembly Fitment & CompatibilityUse the fitment table below to confirm year, make, model, submodel, and any application notes before ordering.PMB Performance brings more than 20 years of European parts and fitment experience to every order. Send your VIN or part number and we will confirm the application. Year Make Model Submodel Notes 1987 BMW 325i 1988 BMW 325i 1989 BMW 325i 1990 BMW 325i 1991 BMW 325i 1992 BMW 325i 1993 BMW 325i 1987 BMW 325is 1988 BMW 325is 1989 BMW 325is 1990 BMW 325is 1991 BMW 325is 1988 BMW 325iX 1989 BMW 325iX 1990 BMW 325iX 1991 BMW 325iX 1989 BMW 525i 1990 BMW 525i