Genuine BMW Clutch Release Bearing - 21517548396 - This genuine BMW clutch release bearing is designed to replace the original bearing in your BMW. It helps to keep the clutch and the transmission running smoothly and efficiently. It is a direct fit for the following BMW models: E46 3 Series, E83 X3, E85 Z4, E90 3 Series, E91 3 Series, E92 3 Series, E93 3 Series.