BMW Cylinder Head Gasket to suit M57N - 1-LOCH - Elring 11127788587Suits below vehicles X3 E83 (01 2003 08 2005) X5 E53 (01 2003 09 2006) 1 LOCH Please check how many holes are in the gasket you have removed and match for the same thickness gasket, Refer to our second image as an example which is a 3 LOCH. 0 LOCH (no hole) 1 LOCH (1 hole) 2 LOCH (2 holes) 3 LOCH (3 holes) OE PN 11127788587 Elring PN 428. 440 Dimensions and size Notches Holes Number 1 Piston Protrusion from 0. 72 mm Piston Protrusion to 0. 83 mm