In a well greased 13"x9" pan, pour the can of pie filling and spread evenly. Next, pour can of pineapple (do NOT drain) and spread evenly. On top of this sprinkle dry cake mix, sprinkle with coconut and pecans. Last but not least, pour melted margarine over the top. DO NOT STIR ANYTHING!!! Bake 30 to 35 minutes @ 350 degrees. Enjoy!!!