Hello,
We are for a customer looking for a filter module where Next options are depending on last choice. Example (this is a developer site) http://aarnes.develop4.se/bildeler/elektrisk.html
If I choose a car brand and in next filter I want to only model related to that car brand I choose in the first filter and next I only want to choose the year depending on the model All attributes are multi selected because one SKU can be used on different brand/model/years.
Meaning one product can fit different cars/model under different years.