URO 17138677649 Engine Coolant Reservoir - Radiator

Overview

This URO coolant expansion tank is a replacement engine coolant reservoir for select BMW applications. It is part of URO Parts’ European vehicle program and is built to meet or exceed OEM specifications for service-focused repairs.

Fits 2016-2021 BMW 230i, 330i, 340i, 430i, 440i, M240i, and related xDrive and Gran Coupe applications, with fitment varying by model and position. Part number 17138677649 is also referenced as 17 13 8 677 649 for the same application.

Key Features

• Replacement coolant expansion tank for cooling system service
• URO Parts construction for European vehicle applications
• Built to meet or exceed OEM specifications
• Suitable for professional repair and DIY maintenance
• Part number 17138677649 for ordering and identification

Product Details

The URO Coolant Expansion Tank is a direct replacement-style engine coolant reservoir used to restore proper coolant storage and system operation on select BMW 230i, 330i, 340i, 430i, 440i, and M240i applications. As part of the URO Parts line, this component is positioned for European vehicle repairs where OEM-level fit and function are important. The 17138677649 part number helps confirm the correct reservoir when matching the application to the vehicle.

URO Parts is known for replacement components for European vehicles, and the brand also offers upgraded URO Premium parts for problem-prone OEM designs. This product belongs to the standard URO replacement line, making it a practical choice when replacing a worn or leaking coolant expansion tank on BMW cooling systems.

Common Uses

• Replacing a cracked or leaking coolant reservoir
• Restoring coolant storage capacity in the cooling system
• Addressing low coolant warnings caused by reservoir failure
• Repairing age-related plastic deterioration in the expansion tank
• Servicing BMW cooling system components during maintenance

Installation Notes

Verify the vehicle’s year, model, and position against the fitment list before ordering. Fitment includes 2016-2021 BMW 230i, 330i, 340i, 430i, 440i, and M240i applications, with some listings marked Radiator and others marked N/A in the position field. Confirm the existing reservoir configuration and compare the part number 17138677649 to the original component before installation.

Quality Assurance

URO Parts states that its replacement components meet or exceed OEM specifications for European vehicles. The brand also notes that its URO Premium line carries an unlimited mileage, lifetime warranty, but that warranty statement is not provided for this standard replacement part.