I'll be adding particularly useful links to topics covering improvements to the X-Type in this thread as they appear. They are just too good to let them drop off the front page.

Retrofitting touch screen sat nav controls

Fit an interior boot release.

Change Spark Plugs Spark plug change
This doc supplied by Keith Dixon from a blog by Steve Hannes.
Problems with this word document - contact 12RM.

Change of ashtray and shift boot

Fit a mesh grille.

Brakes - change discs/pads and fluid change.

Changing headlight dip pattern for continental driving

Premium Sound upgrade. And here as well

Retro fit reverse parking sensors