Coolant Tank Reservoir for BMW 525i 530i 525xi 530xi

Upgrade your BMW’s cooling system with the Coolant Tank Reservoir designed to fit a broad range of models and years. This reservoir is produced for reliability by POKESS and matches the essential OE numbers to ensure a secure fit and proper coolant flow. It’s an economical, straightforward replacement for worn or cracked tanks, helping to prevent coolant leaks, maintain correct coolant levels, and support consistent engine operating temperatures. Ideal for drivers maintaining older 4-, 5-, and 6-series BMWs, including popular everyday models and sportier variants.

Compatible with BMW models including 525i, 530i, 525xi, 530xi from 2004–2007; 528i, 535i, 550i, 650i from 2008–2010; and 545i, 645Ci from 2004–2005, this reservoir is a practical, ready-to-install replacement. For reference, the OE numbers associated with this part are 17137542986, 17137519219, and 17137521189. Before purchase, please compare the Part Number with your original part to ensure a perfect match, as compatibility is provided for reference only and may vary by vehicle specification.

Benefits & Tips

• Reliable replacement that helps prevent coolant loss and maintains proper system pressure, reducing the risk of overheating and engine damage.
• FIts original mounting points and hose connections for a straightforward, tool-efficient installation—minimal downtime and hassle.
• Tip: make sure the engine is cool before replacing the reservoir, disconnect the battery if needed, and check cooling system hoses for wear during replacement.

Product specifications

• Brand: POKESS
• Origin: Mainland China
• OE numbers: 17137542986, 17137519219, 17137521189
• Suitable for: BMW 525i, 530i, 525xi, 530xi (2004–2007); 528i, 535i, 550i, 650i (2008–2010); 545i, 645Ci (2004–2005)
• Note: Compatibility is reference-based. Please verify the part number against your original before purchase to ensure the correct replacement for your vehicle.

Package includes:

• 1x Coolant Tank Reservoir

Warnings / Reminders

Compatibility is provided as a reference. Before purchasing, compare the Part Number with your original part to ensure a correct replacement for your car. If the numbers do not match, this reservoir may not fit your vehicle.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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