Originally Posted by Bunny
Originally Posted by planenut
The change to a mineral oil would be an easy check though, hope it works for those with this issue.


Shame I've got 20 litres of Motul synthetic on my garage shelf... doh


Any theories on why this “fix” seems to work? Sure is simple.


2019 M3W Sold and is now in Las Vegas enjoying the showgirls :-)