M Codes

Once again, once of the best places to find M Codes is TheSamba.com:
Type 1 M Codes
Type 2 M Codes
Type 3 M Codes
Karmann Ghia M Codes
For Type 4 M codes see:
www.type4.org/history/options
For everything VW Camper and bus visit www.classcampers.com. This site is without a doubt the best site in the UK