K SERIES DRIVESHAFT SPLINE REPLACEMENT A known weak point of the K series before adoption of the paralever design was rapid wear on the output shaft splines that mate with the bevel drive. In 1986 BMW increased the number of teeth from 16 to 20 to give a greater surface area, however this did not entirely overcome the problem. We now provide a repair service for K`s with single shafts where the bevel end splines are replaced with a harder 20 toot ...follow link for full description
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