Coolant Expansion Tank Bleeder Screw for BMW 17111712788, Coolant Air Bleeder Screw Radiator Bleeder Kit with Rubber O-ring Reservoir Plug for BMW X1 X3 E46 E92 E90 E36 E39 Mini Cooper

Coolant Expansion Tank Bleeder Screw for BMW 17111712788, Coolant Air Bleeder Screw Radiator Bleeder Kit with Rubber O-ring Reservoir Plug for BMW X1 X3 E46 E92 E90 E36 E39 Mini Cooper

• 【Recyclable Materials】Our radiator coolant expansion tank bleeder screw is made of high-quality and sturdy brass material, which can perfectly replace the plastic screws of the original equipment. It can be disassembled and reused, which is reduces maintenance costs
• 【Function】The brass coolant air bleeder screw can effectively prevent the problem of excessive pressure in the water tank. By controlling the pressure and temperature in the radiator coolant tank, it can avoid overheating of the car engine and ensure that the car can be driven safely
• 【Rubber O-ring】This bleeder screw is equipped with an O-shaped rubber ring, which can enhance the air tightness, so that the bleed screw can fit closely with the opening of the car radiator coolant tank， and is not easy to loosen and fall off
• 【Easy Installation】Our radiator bleeder kit has an installation diameter of M10x1 17111712788 and can directly replace old, damaged coolant bleed screws. Just put the O-shaped rubber ring into the screw and tighten the bleed screw to the opening of the car's coolant tank. Installation is quick and easy
• 【Compatible Models】The OEM number of the coolant expansion tank bleed screw is 17111712788, which is specially designed for BMW X1, X3, Z3, Z4, 325i, 328i, 525i, 528i models. Its structure is stable and not easy to deform or break. Strictly follow quality control standards