Mainly, I think, in terms of 'hassle'....
too much hassle for those customers who got a Friday bike...
too much hassle for the dealer service teams who have to put up with pissed off customers who got Friday bikes...
too much hassle for the country companies with goodwill, warranty and recall issues...
too much hassle for the Mothership...
too much hassle for the advertising and marketing departments trying to overcome the negative publicity...
You get the idea. One pernickety customer with one tiny-teensy niggle is bad enough. Gawd only knows how many of the K bikes have had way too many problems and ongoing problems at that.
The whole thing started with poor design and manufacturing! Remember, BMW were experts at 'developing' their existing designs with great success down the decades.
The K bike was their first foray into totally new territory and the K12/13 was their first radical across the frame four intended to take on the Japanese big four.
Kevin Ash summed it up nicely in his scathing summary of the K12 & 13 here...
http://www.ashonbikes.com/bmwk1300s...and the article to the work done by Ricardo (the link for which doesn't work on his site) can be found here...
http://docplayer.net/36017804-Bmw-s-brilliant-engine.html...and it is a free download which you can save and enjoy to your heart's content.