Name: Turner Motorsport Heavy Duty Aluminum Expansion Tank Kit - F2X/F3X N55 N47
Brand: Turner Motorsport
SKU: ES5376197

Description
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BMWs are notorious for their cooling system issues, often leaving owners stranded or causing irreversible engine damage in the event of failure. At the heart of these issues is the coolant expansion tank—a crucial component responsible for holding hot engine coolant under high pressure. Unfortunately, BMW chose to manufacture the factory F2X/F3X expansion tank out of plastic. After years of exposure to high engine bay temperatures and chemical-laden antifreeze, your expansion tank isn't just a weak link—it's a ticking time bomb.

With this failure in mind, Turner's team of BMW enthusiasts set out to develop the ultimate solution for the N55-equipped F3X platform: a robust expansion tank built to last! Constructed from durable 5052 TIG-welded aluminum, this tank withstands high temperatures and pressures without deteriorating over time. Unlike the OEM molded plastic tank, Turner's alternative is not prone to cracking, leaking, or weakening. With Turner's Heavy Duty Aluminum Expansion Tank Kit, you'll never experience expansion tank failure again!

To ensure precise fitment, 3D CAD modeling was utilized to design an upgraded tank that installs just like the factory unit. All bungs, nipples, and fittings are precision-machined for a reliable seal with factory hose ends. Unlike other aftermarket coolant reservoirs, this tank retains the factory coolant capacity and features a laser-cut Turner logo plate at the top to provide an exact level for filling. Additionally, internal baffles were installed to prevent cavitation of the fluid in the expansion tank. This ensures air pockets are not introduced to the cooling system and prevents false coolant level warnings during performance driving.

Designed for both high-performance builds and daily drivers, the tank features a premium wrinkle black powder coat for a sleek "OEM+" look. This durable finish goes beyond style—it prevents corrosion for long-lasting reliability. In addition to the expansion tank, this kit also features a silicone overflow hose, a high-quality level sensor, and an OE expansion tank cap to ensure a comprehensive cooling system service. Don't let the problematic factory expansion tank leave you stranded—upgrade your F2X/F3X and drive with confidence!

FEATURES

Durable 5052 TIG-Welded Aluminum Construction ensures long-term reliability and prevents expansion tank failure.
A premium wrinkle black powder coat finish offers a show-ready "OEM+" appearance while preventing corrosion.
A laser-cut aluminum Turner logo plate provides a clear and accurate fill level indicator.
Unique internal baffles prevent the introduction of air pockets during performance driving.
All external bungs and fittings are precision-machined to fit factory hose ends, providing a leak-free seal.
Sandwich bracket ensures tank stays firmly connected to the core support at the front of the car.

KIT CONTENTS

Turner Motorsport Aluminum Expansion Tank
Turner Motorsport Level Sensor Adapter Harness
Heavy Duty Coolant Bleeder Screw
Performance Silicone Coolant Overflow Hose
Expansion Tank Cap
Coolant Level Sensor
INSTALLATION

The team at Turner Motorsport has assembled a start-to-finish installation guide, including detailed instructions on removing your factory components. To learn more, click the PDF under the "INSTALLATION" tab above.

Cross Reference
17137642160
17137609468
EPT0261
018047

Performance M Delivery Information

BREXIT 2021 EUROPEAN TAXATION CHANGES:

For European Customers prices now displayed in cart once you enter your address will have 20% UK VAT Tax removed, however you will have to pay some form of Duties / VAT prior to delivery of your goods. If you are unsure of charges we recommend you should contact your local authorities ahead of placing your order.

Do we ship abroad ?

Yes we do, to almost anywhere in the world though remember the postage is often high when shipping anything bulky. Most bulky items we export will go by UPS so you can track the package online and could reach America within 48 hours providing its in stock !

However there are a few countries we do not ship to, some of these include: Thailand, Malaysia, Indonesia, Russia, Nigeria, Macedonia, Syria, Ukraine, Lebanon.

Why is postage on bulky items to some countries expensive compared to some other companies ?

For both yours and our safety we use well known couriers such as DPD Local and UPS for shipping, then we know exactly where it is in the world at any time and we know its going to arrive safely. Shipping small items can be cheap, but items such as bodykits are expensive to ship - we have a very small margin on the postage fees merely to cover packaging. We can now ship using standard post on some items, however using all methods you may incur import charges when you receive the goods for which we cant be responsible for.

Availability:

Not everything on our website is in stock, if you need a part desperately please contact us first to confirm availability before placing your order

How do I place an order if I live within the UK ?

You can either order here in our online shop or you can phone us or email us, using the following number/address: Phone: 0161 507 5005 email: sales@performancem.co.uk

How do I place an order if I live outside the UK ?

You can order online or by emailing us. email: sales@performancem.co.uk