11257558528 11257536373 11257561848 11257547838 6PCS Pistons & Rings Set 10.7:1 For E90 E60 E83 128i 328i 528i X1 N52 3.0L This 6-piece pistons and rings set is designed for use with 3.0L engines found in select vehicle models.Constructed from aluminum, the pistons are engineered to deliver consistent performance with a compression ratio of 10.7:1.The components are manufactured to support efficient combustion and engine.The set includes six pistons complete with rings, intended for full engine rebuilds.It is compatible with specific models including E90, E60, E83, 128i, 328i, 528i, and X1 equipped with the N52 3.0L engine.Proper fitment should be confirmed prior to installation.Installation requires technical expertise and should be performed by a qualified technician.The design focuses on functional accuracy and durability under standard operating conditions.