AUTO ENGINE PARTS Pistons & Rings set for 5 6 7 X5 4.8L V8 GAS DOHC 4.8T N62B48 4.8 L T 2004-2010 This piston and ring set is designed as a replacement component for engine rebuild, repair, and maintenance applications.The product functions to restore engine specifications.Compatible with vehicles equipped with the N62B48 4.8L (4799cc) V8 naturally aspirated engine.Fits 550i (E60, E61) models from 2005 to 2010, 650i (E63, E64) models from 2005 to 2010, 750i and 750Li (E65, E66) models from 2004 to 2009, and X5 4.8i and 4.8is (E53, E70) models from 2004 to 2010.Technical specifications include STD 0.00 spec, cylinder bore diameter of 93.00mm, wrist pin diameter of 21mm, wrist pin length of 54mm, and ring thicknesses of 1.2mm for the first ring, 1.5mm for the second ring, and 2.4mm for the third ring.This set includes eight pistons and rings.Reference OE numbers include 11 25 7 542 292, 11 25 7 831 889, 11 25 7 549 510, 11 25 7 544 952, 11 25 7 537 124, 11 25 7 549 511, and 11 25 7 543 324.Please verify vehicle compatibility before purchase.Note that engine accessories may vary by production region even with identical engine numbers.