Wash, peel, and thin slice the potatoes.
Cut the bell peppers into strips.
Thinly slice onion.
Combine potatoes, bell pepper, onion, and garlic in large bowl. Toss with BBQ seasoning and olive oil.
Cut sausages into thirds.
Prepare foil packets by using 2 layers about 12" for bottom. Layer potatoes/veggies/sausages on top of foil. Top with grated cheese.
Place another piece of 12" foil on top.
Tightly crimp edges so they are secure.
Cut a few slits in each pouch so steam vents.
Place on med heat grill for 20-30 minutes.