BMW N55/S55 Crank Bolt Capture Plate BMW 3 Series F30 (03/2011–07/2015)

BMW 3 Series F30 (03/2011–07/2015)

and included hardware

F06 (05/2011 - 02/2015)

BMW 1 Series F20 (07/2010–02/2015)

BMW N55/S55 Crank Bolt Capture Plate BMW 3 Series F30 (03/2011–07/2015)WHAT IS A CRANK HUB BOLT CAPTURE? The S55 suffers from a weak point in its crankshaft. It has been reported that when increasing the power to the engine, the crank hub can move or spin slightly under an extreme load. This is most apparent under high rev downshifts or in the case of increased boost pressure which creates more stress on the engines rotating assembly. In order to keep this from happening, the crank bolt must be secured to the hub to keep