$ 20.55
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Radiator Expansion Tank Pressure Test Fitting (1175)
Quickly diagnose cooling system leaks on your BMW or Mini with the 1175 Radiator Expansion Tank Pressure Test Fitting. This brass replacement screw installs in place of the factory bleeder, allowing you to attach a Power Bleeder or any 1/4″ NPT pressure source to safely pressurize the expansion tank. Simply remove the stock bleeder, install the 1175, pressurize per your service manual, and inspect for leaks. When testing is complete, clamp the fitting, slowly relieve pressure by unscrewing, and reinstall the factory cap.
Key Features
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Direct Replacement: Threads into BMW expansion tanks in place of the OEM bleed screw
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Universal Pressure Port: 1/4″ NPT female for easy connection to Power Bleeder pumps
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Durable Brass Construction: Corrosion-resistant for long service life in harsh coolant environments
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Safe Leak Testing: Enables accurate pressurization up to manufacturer-rated PSI
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Wide Model Coverage: Fits E30, E34, E36, E38, E39, E46, Z3, Z4, X3, X5, Z8, and Mini Cooper platforms
Ensure your BMW’s cooling system integrity—add the 1175 test fitting to your toolkit for fast, reliable leak diagnostics.
