Originally Posted by tigerapple
Or the upgraded parts for sale so that modifications can be carried out here?
There is a tremendous amount of variation in the dimensions of the yokes produced by BMW throughout the years. Every rebuild is a custom job, each yoke requiring different sized rings to properly fit the u-joints. (Rings in increments of .001 in, through the ~.015 in. variation in the distance across yoke flats.) Because of this it would not be practical to sell the rebuild in a kit form.