What is the difference between the Enthusiast kit and the Professional kit?
The difference is the number of cables included with the kit and the number of cars the kit allows you to work on. The Enthusiast kit comes with one cable (6′ standard interface cable) and is limited to use on 3 cars – managed by VIN, not model. The Professional kit comes with 3 cables (6′ standard interface cable, 50′ extension cable, and 964/944/early 993 adapter cable) and has no limit to the number of cars on which it can be used.
In Durametric version 5, the difference is the number of cars the kit allows you to work on. The Enthusiast kits are limited to use on 3 cars – managed by VIN, not model. The Professional kit has no limit to the number of cars on which it can be used. With the introduction of Durametric version 6, the Professional kits alone gain the ability to perform Coding changes on supported control units.