Typical... it is the gear inside that is broken. Not hard to replace if you
are handy.

http://www.odometergears.com/

Interesting to hear that there is someone who is now retailing the
gears. When I had mine fixed about ten years ago, I used Overseas
Speedometer repair, and they did a great job. They also calibrated the
speedo for me too.

http://www.speedometer.com/

Toll Free: 1-800-444-0292
Voice: 1 512-329-8200
Fax: 1 512-306-0276
Email: overseasspeedo@aol.com
Mail: 100 Wallis Drive
Austin, TX 78746
USA

You can also check out Palo Alto Speedometer repair in California, but
ten years ago their prices were higher than Overseas. Just some other
options, and it is a really easy fix.

They all do that. Pretty near every postwar german car uses the
came vdo module and one gear always wears out. vdo in its
infinite wisdoj does not supply the part,.

But, take heart, some enterprising young lad makes them

odometergears.com