In a large bowl, combine oil, All bran cereal and buttermilk. Let sit for 5 minutes. In a separate bowl beat eggs, add raisins, molasses, brown sugar and vanilla. Stir just until ingredients are moist.
Add to the bowl flour, baking soda, baking powder, cinnamon and salt. Fold into the wet the ingredients.
With an ice cream scoop, scoop batter into muffin tin. Fill all cups as full as possible. Bake at 400 degrees for 15-18 minutes, or until muffin springs back when touched.