BMW in Australia is sending out this service campaign.

Seems BMW has recognized the issue and is starting roll our a fix. Here is a link to a service campaign that outlines the fix. Currently I have only seen this message for our Australian friends but I would expect it to be rolled out in more countries soon. https://www.bmwmccact.org.au/resources/Documents/2017/BMW%20R1200GS%20Checking%20Fork%20Tube.pdf