General description Coolant Expansion Tank Bleed Screw machined from brass, designed for various BMW models including E36, E39, E46, and Mini. This part includes a rubber O-ring already installed for easy use. Part Number: 17111712788. Technical specifications Color: Gold Material: Metal Package includes: 10 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.