Complete - All parts of PSRU. Left to right. Prop Flange and Shaft Flange with Oil Seal which bolts to the Housing. Two angular ball thrust bearings.(We have replaced these with double row angular contact ball bearings) Locking washer with locking nut. Carrier bearing. Prop shaft splined into the crown gear. The 6 pinion planetary unit bolted into place by end flange plate with input shaft thrust bearing along with oil seal and Viton O ring.
	Gears assembled and ready to go into housing
	The input shaft fits in the splined elastomeric coupling and goes through the flywheel into the crankshaft,the end of the shaft is fitted with a needle bearing, this keeps things in perfect alignment.The input shaft is also fitted with angular ballbearing (thrust type) to keep the gear in it's place inside the case.The CD video shows detailed information on how the whole unit is assembled. The elastomeric coupling is a BMW part.