I ran across two gauge packages for sale together, 6211-6953549 & 6211-6966501. I like the idea of having the oil temp/pressure, coolant temp and fuel gage in the center and the speedo and tach on the column, but would these be an easy refit in my pre-facelift non-nav 2004 Cooper S? Or would they be a wiring nightmare?

 

Not so much a wiring nightmare, but a coding / matching nightmare.