Thanks to Chris Deel for these scans.  Each page is around 150k-200k so will take a while to download.  But worth it.

Excellence Review of the Carrera 4 - January 1990

Excellence 'Wringing out the Carrera 4' - Part 1

Excellence 'Wringing out the Carrera 4' - Part 2

Excellence 'Wringing out the Carrera 4' - Part 3