Brass Tank Bleeder Screw for BMW Material and compatibility: Brass tank bleeder screw designed for BMW cooling systems. Fits the BMW tank bleeder screw with the correct connector. Quality and testing: Built to strict quality control standards and subjected to thorough testing to ensure reliable performance. Fit and reliability: with precise fitment; no cutting or splicing required for installation. Function and performance: Bleeds air from the cooling system to help maintain the engine at the proper temperature under a variety of conditions; helps prevent engine stalls caused by overheating. Key attributes: Material brass; Function cooling system air bleed; Compatibility BMW tank bleeder screw; Performance reliable, leak operation. Use scenarios After coolant flush or radiator service on BMW vehicles, install to ensure proper air removal and coolant flow. During radiator replacement, thermostat work, or other cooling system maintenance to restore effective bleeding and cooling performance. In both DIY and professional maintenance, to ensure consistent bleed performance on BMW models requiring a brass tank bleeder screw.