Engine Parts Piston Rings Set Fit 2.5 3.0 L GAS N52 For E90 E60 E83 Z4 130i 128i 328i 528i 525xi 530xi X1 X3 X5 2.5L 3.0L This piston and rings set is designed for use with 2.5L and 3.0L N52 engines.It serves as a direct replacement for damaged or worn factory components, suitable for engine rebuild, repair, and maintenance applications.Product Description: - Standard size specification with no cylinder expansion required - Cylinder bore diameter: 85.00mm - Wrist pin diameter: 20mm - Wrist pin length: 49mm - Ring thickness: 1st ring 1.2mm, 2nd ring 1.5mm, 3rd ring 2.0mm - Fits N52B30 3.0L inline 6-cylinder naturally aspirated engine - Compression ratio: 10.7:1 Compatible Engine Model: N52B30 Vehicle Applications: - 125i, model years 2007–2013, chassis E82 E88, 3.0L L6 - 128i (U.S), model years 2007–2013, chassis E82 E88, 3.0L L6 - 130i, model years 2006–2011, chassis E87, 3.0L L6 - 325i / 325xi (U.S), model year 2006, chassis E90, 3.0L L6 - 328i / 328xi (U.S), model years 2007–2012, chassis E90 E91 E92 E93, 3.0L L6 - 330i / 330xi, model years 2006–2013, chassis E90 E91 E92 E93, 3.0L L6 - 525i / 525xi (U.S), model years 2006–2007, chassis E60, 3.0L L6 - 528i / 528xi (U.S), model years 2008–2011, chassis E60 F10, 3.0L L6 - 530i / 530xi, model years 2005–2013, chassis E60 E61 F10 F11, 3.0L L6 - 630i, model years 2005–2010, chassis E63 E64, 3.0L L6 - 730i / 730Li, model years 2005–2015, chassis E65 E66 F01 F02, 3.0L L6 - X1 xDrive25i / xDrive28i, model years 2008–2012, chassis E84, 3.0L L6 - X3 3.0i / 3.0si, model years 2006–2010, chassis E83, 3.0L L6 - X3 xDrive28i, model years 2009–2012, chassis F25, 3.0L L6 - X5 3.0si, model years 2006–2010, chassis E70, 3.0L L6 - Z4 3.0i / 3.0si / sDrive30i, model years 2005–2011, chassis E85 E86 E89, 3.0L L6