F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
The sport seat track cover came loose on my 2013 335i (F30). It's part number 21 on this image
https://www.parts.com/media/images/oe/collision/1/1943480.gif
I can't easily see how to put it back. How is it done?
In general, what reference material should I get my hands on for any simple...