Crankshaft Main Bearings Guide Set For 128i 335i 740Li X3 X5 N52 N54 N55 3.0 L6 engines.Compatible with N52B25 2.5 L6 (2497cc) naturally aspirated engines.Compatible with N51 N52 N53 3.0 L6 (2996cc) naturally aspirated engines.Compatible with N54 N55 3.0 L6 (2979cc) turbocharged engines.Fits models including 125i E82 E88 / N52, 128i E82 E88 / N51 N52, 130i E81 E87 / N52, 135i / M135i E82 E88 F20 F21 / N54 N55, 235i F22 F23 / N55, 323i E90 E91 E92 E93 / N52, 325i E90 E91 E92 E93 / N52 N53, 328i E90 E91 E92 E93 / N51 N52, 330i E90 E91 E92 E93 / N52 N53, 335i E90 E91 E92 E93 F30 F31 / N54 N55, 435i F32 F33 F36 / N55, 523i E60 E61 / N52 N53, 525i E60 E61 / N52 N53, 528i E60 E61 / N52 N53, 530i E60 E61 / N52 N53, 535i E60 E61 F10 F11 / N54 N55, 535i GT F07 / N55, 630i E63 E64 / N52 N53, 640i F06 F12 F13 / N55, 730i / 730Li E65 E66 F01 F02 / N52, 740i / 740Li F01 F02 / N55, X1 25i / 28i / 35i E84 / N52 N55, X3 2.5si / 3.0si E83 / N52, X3 28ix / 35ix F25 / N52 N55, X4 35ix / M40ix F26 / N55, X5 3.0si E70 / N52, X5 35ix / 40ix E70 / N55, X5 35ix F15 / N55, X6 35ix / 40ix E71 F16 / N55, Z4 2.5si / 3.0si E85 E86 / N52, Z4 30i E89 / N52, Z4 35i / 35is E89 / N54 N55.Includes main bearing and guide set.OE numbers: 11217627037, 11217581009, 11217580993, 11218605858.Replacement OE numbers: 11217627031, 11217627027, 11217627033, 11217580993, 11217627038, 11217627039, 11218605857, 11218605858, 11217580999, 11217581000, 11217581001, 11217627029, 11217627030, 11217581003, 11217627033, 11217580997.Standard size specification. Compatibility Note: This is a third-party part.All brand/model references are for fitment purposes only.