Der Kupplungs Meister aka DKM has the high torque clutch solution for N54 and N55 powered BMW's! Their full-faced organic twin disc kits offer oem drivability with significant torque capacity. There are 3 variants: 8 bolt with "male" pilot bearing shaft(MS-006-075), 6 bolt with "male" pilot bearing shaft (MS-006-074), and 6 bolt with "female" pilot bearing recess(MS-006-076).
These kits come with the twin disc clutch and flywheel assembly, new flywheel bolts, and an install tool. DKM recommends replacing the pivot pin, pilot bearing, and release (throwout) bearing/lever assembly. If you are unsure of what version you need please provide the last 7 digits of your VIN number in your order so we can confirm the proper flywheel selection for your application.