This is a Febi Bilstein Coolant Level Sensor. It is designed to fit BMW vehicles. The part number is 33458. This sensor is the OE Matching Quality & Fit. It has a length of 87 mm, 2 connectors/ports, and is black in color. The weight is 0.100 kg. It is compatible with BMW 5'er (E39), 7'er (E38), and 8'er (E31) models. OE cross-references include BMW 61 31 8 360 876.