1. Ensures the correct alignment of the front lower timing case cover on engines. 2. It helps prevent damage to the new seal during fitting. 3. Fits for BMW 1 Series, 2 Series, 3 Series, 4 Series, X1, X2, Mini Clubman, Hatch, Countryman. 4. Engine codes: B37C, B37D, B38A & B38B. 5. Used to align the front engine cover; use in accordance with OEM instructions. 6. OE: 2357900.