Coolant Expansion Tank Bleeder Screw Drain Radiator and Rubber O-ring Solid Billet Brass for E30 E36 E31 E34 E46 E39 E38

【Compatibility】:The Coolant Expansion Tank Bleeder Screw is för the series E30 E36 E31 E34 E46 E39 E38. 【Excellent performance】The CNC of the drain screw radiator is made of solid blank brass, high strength, durable and equipped with rubber O-rings. 【Rubber O-Ring】:The rubber O-ring has high wear and high strength, which can bring a stable driving experience for your use. 【Easy installation】:The drain screw heatsink is easy to install and plug and play. Perfectly matched to the original car. Original standard, för old or damaged parts. 【Replacement number】:Direct replacement of parts 17 11 1 712 788.If you have any questions about the model, please be assured to us and we will give you an accurate response within 24 hours.