The e70 X5M & e71 X6M uses the same oil filter kit...and they have an additional screw plug that uses the parts that you pictured. They are used for #3 & #4 in the diagram below which is for an additional drain plug in the oil filter cover (#2). If for some reason you had to replace #2 (the oil filter cover) and the replacement has a drain plug...then you will need to use those additional pieces: