BMW e30 e36 limited slip differential unit medium case 188mm LSD inner gear set OEM IN GOOD CONDITION ONLY WITH NORMAL WEAR.BUYER IS RESPONSIBLE FOR APPLICATION.THIS SET WILL FIT ONLY THE 188MM medium CASE DIFFERENTIAL.I AM ONLY SELLING WHAT YOU SEE IN PICTURES NOTHING MORE.ITEMS ARE USED BUT IN GOOD CONDITION ONLY WITH NORMAL WEAR.the two gears are the one that the shaft is connected to, also these 2 gears hold the clutches inside the LSD unit.the 4 small gears is the center part of the LSD unit.items are in great shape with no cracks or broken parts.items are ready to be installed.i am selling everything you see in pictures together.