TecDoc Engine Number: BMW N55 B30 A ; Length [mm]: 52.15 mm ; Bore Ø [mm]: 84 mm ; Piston protrusion [mm]: 0.75 mm ; Bolt Ø [mm]: 22 mm ; Compression Height [mm]: 33.15 mm ; Bolt length [mm]: 54 mm ; ArticleState: not available ; General Information: Kolbenschmidt 40653600