BMW N55/S55 Crank Bolt Capture Plate BMW G20 LCI / facelift

BMW G20 LCI / facelift M Performance Lips - Gloss Black (Plastic) 2 piece

and included hardware

the crank hub can move or spin slightly under an extreme load

BMW 3 Series F30 (03/2011–07/2015)

BMW N55/S55 Crank Bolt Capture Plate BMW G20 LCI / faceliftWHAT 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