- What Does a Coolant Reservoir Do? - A coolant reservoir is a small plastic tank that is connected to the radiator of a car’s cooling system. Its primary function is to provide a space for excess coolant to expand and contract as the engine heats up and cools down. Keep the engine operating at a normal temperature.
- Part Numbers - 603-535, 17137787039, 17117573781, 17111436413, 17117573751, 17111436413. This radiator surge tank matches the fit and function of the original part. This is NOT a genuine part, it's an aftermarket replacement part.
- Compatible with Select BMW Models - This radiator overflow tank is compatible with 2001-2005 BMW 320i, 2000 BMW 323Ci, 1999-2000 BMW 323i, 2001-2006 BMW 325Ci, 2001-2006 BMW 325i, 2001-2005 BMW 325xi, 2000 BMW 328Ci, 1999-2000 BMW 328i, 2001-2006 BMW 330Ci, 2001-2005 BMW 330i, 2001-2005 BMW 330xi, 2004-2011 BMW X3, 2004-2010 BMW X3, 2001-2006 BMW X5. Please check the description or enter Year/Make/Model on Amazon's Fitment Filter system to confirm your compatibility.
- Replacement Instruction - Turn off and cool down the car, disconnect the drain line, remove the retaining bolts and swap in the new reservoir tank. Professional installation is highly recommended.
- Durable and Long Lasting - This Coolant Recovery Tank is manufactured from quality materials, durable and long lasting. It is thoroughly tested to ensure optimum fit and performance on specific vehicle applications.
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