Yes it was an option on the e70, but not exactly cheap. (Edit: I'm not positive but I think if you have the third row option you are out of luck - or need to remove third row and replace with non third row components)
Here is a kit at ECS tuning, but I think most people try to buy a used kit or piece together their own:
https://www.ecstuning.com/b-assemble...71106775773kt/