General description Radiator Overflow Coolant Expansion Tank Bleeder Screw, machined from brass and includes a rubber O-ring already installed. This part is designed for various BMW models, including E36, E39, and E46, among others. Part Number: 17111712788. Technical specifications Color: Gold Material: Metal Package includes: 8 pcs x Tank Bleed Screw Measurement allowed error: +/- 1-3 cm Compatibility and accessories Please check the compatible vehicles list to find suitable models for this part. Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.