Expansion Tank Without Cover for BMW X3 2011-17, X3D 2010-17, X4 2014-18

Upgrade or replace your BMW cooling system with this Expansion Tank Without Cover, specially designed for BMW X3 models from 2011–2017, X3D from 2010–2017, and X4 from 2014–2018 (including X4D 2014–2018). It matches OEM part numbers 17137639464, 17137823544, and 17138616418, ensuring a precise fit into your vehicle’s cooling circuit. Manufactured to original specifications for a reliable, direct replacement, this tank helps manage coolant expansion, supports steady engine temperature, and reduces the risk of leaks that can lead to overheating. Because this version is without a cap, you can reuse your existing cap or source a compatible one separately. Perfect for renewing aging cooling components without changing other parts of the system.

Benefits & Tips

• Direct replacement that minimizes downtime and simplifies maintenance.
• OEM-numbered compatibility ensures a confident fit on compatible BMW X3 and X4 models.
• Tip: After installation, refill the cooling system and bleed air to prevent air pockets which can affect performance.

Product specifications

• Fitment: BMW X3 (2011–2017), X3D (2010–2017), X4 (2014–2018), X4D (2014–2018)
• OE Numbers: 17137639464, 17137823544, 17138616418
• Origin: Mainland China
• Type: Expansion Tank (Without Cover)
• Packaging: 1 x Coolant Expansion Tank

Package includes:

• 1 x Coolant Expansion Tank

Warnings / Reminders

• Ensure the engine is cool before starting installation and handle coolant safely.
• This kit is without the cap; reuse your existing cap or install a compatible one separately.

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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