Oil Level Sensor For BMW M3 325Ci 330i 530i 330Ci M5 X5 Z8 740i 323i 12617508003 Engine Oil Level Sensor Brand New Manufacturer Part Number: 12617508003 The oil LEVEL sender can set off warning indicators when it fails. If you're getting erroneous low-oil warnings, then replace it so that you will know whether you are really low on Oil or not. Package includes: 1 x Oil Level Sensor