Engine Coolant Reservoir With Cap Replacement For BMW E90 E91 E92 E93 328i 330i 335i X1 Z4 2007 2016 Radiator Expansion Tank Compatible With 17137640514 17137607482 17137567462
This coolant reservoir replacement is designed to fit BMW vehicles from 2006 to 2016, including E90/E91/E92/E93 sedans and coupes, X1 SUVs, and Z4 convertibles. The kit includes the reservoir, cap, and level sensor to restore proper cooling system function and accurate coolant level monitoring. Please confirm compatibility with your VIN before ordering.
✅ Replaces OEM part numbers 603-334, 17137640514, 17137567462, 17137607482, 17137543026, 17137519368
✅ Includes reservoir, cap, and level sensor in one kit
✅ Fits BMW models listed in the compatibility notes and VIN checks
✅ OEM-grade plastic construction for durability and reliable fit
✅ Designed for easy DIY installation to save time and money
💡 What is a coolant reservoir used for in a car cooling system? Here's a handy overview. - Maintains proper coolant volume and system pressure - Provides space for coolant expansion as the engine heats up - Works with the cap and level sensor to monitor coolant level