Vaico V20-1016 Engine Coolant Reservoir

Engine Coolant Reservoir for BMW X5 and Z3

Restore proper coolant expansion and level monitoring with this VAICO engine coolant reservoir. Built from plastic and made with a coolant level switch connection, it is a direct-fit replacement for select BMW applications that need reliable coolant storage and system monitoring.

• Engine coolant reservoir for BMW cooling system service
• Plastic construction for OE-style fit and function
• Includes coolant level switch connection
• Dimensions: 239 mm length, 158 mm width, 190 mm height
• VAICO part number V20-1016

VAICO Product Line Details

VAICO focuses on replacement components for European vehicles, with parts engineered to match original equipment specifications where fit and function matter. This coolant reservoir is part of that approach, supporting BMW cooling system repairs with a direct replacement format.

Fitment and Application

Compatible with 2000-2003 BMW X5 and 1999-2002 BMW Z3. Fits 2000-2003 BMW X5, N/A. Fits 1999-2002 BMW Z3, N/A. This part cross-references Rein EPT0025 and Walker Exhaust 52476 for the same application. The VAICO V20-1016 is also referenced by OE number 17107514964 for these BMW applications.

What This Part Helps Address

• Cracked or leaking coolant reservoir housing
• Low coolant warnings related to reservoir failure
• Expansion tank issues caused by aging plastic
• Cooling system service needs on BMW X5 and BMW Z3 models
• Loss of coolant level switch connection at the reservoir

Installation Notes and Quality Assurance

Verify reservoir dimensions and coolant level switch connection before installation. Inspect hoses, caps, and adjacent cooling system components during replacement to help prevent repeat leaks. Confirm vehicle fitment by model year and OE reference before ordering. VAICO part V20-1016 is built for the listed BMW X5 and BMW Z3 applications using a plastic reservoir design that follows the original mounting and connection layout.