Applicable: BMW N55 engine. Flywheel Holder Locking Tool for BMW N20 N26 N55 OEM 118660 Flywheel Retainer. Flywheel Holder Locking Tool for BMW N20 N26 N55 OEM 118660 Flywheel Retainer +. For BMW N20 N26 Engines Flywheel Holder Flex Plate Lock Timing Chain Tool 2801.