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CSF BMW Cooling System Parts & Accessories

The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

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CSF High-Performance Radiator - Automatic Transmission - F22/23, F30/...
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T#:598763
Part#: 7081
Special Order: No Guaranteed ETA
$ 689.00 USD
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$ 689.00 USD
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CSF is one of the premier cooling product specialists available on the market thanks to designs such as their High-Performance Aluminum Radiators. Using a single pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion-resistant hardware that allows the final installation to have same-as-stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures. Features & Specifications: 2-Row 42mm Core (Dual Core) Featuring CSF’s Exclusive B-Tube Technology Core Features an Ultra-Efficient Fin with 6.5mm Fin Height and Multi-Louvered Design for Maximum Surface Area Contact CNC Machined “Quick-Connect” Inlet/Outlet Connections CNC Machined Brackets and Fittings for Superb Fit and Durability All-Aluminum Race Style Drain Plug 1-Hour “Mirror Finish” Hand Polish “Drop-in Fit” Requiring No Modifications to Install – Accepts All Attaching OEM Components Including “Quick-Connect” Hoses, AC Condenser, Mounting Brackets and Fan Shroud OEM #: 17117618807
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BMW 2002 High-Performance All-Aluminum Radiator
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T#:33879991
Part#: 7225
Back Ordered
$ 529.00 USD
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$ 529.00 USD
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The BMW 2002 High-Performance All-Aluminum Radiator by CSF is a must-have upgrade for enhancing the cooling system of your classic BMW 2002. Designed to provide superior cooling performance, this radiator is made from high-quality aluminum, ensuring improved heat dissipation and durability under extreme driving conditions. Perfect for vintage car enthusiasts and racers alike, it offers a lightweight yet strong construction that’s built to withstand the rigors of high-performance driving. Available exclusively through Turner Motorsport, this radiator is the ultimate solution for those looking to improve their BMW 2002's performance and longevity.

Benefits:

  • Enhanced cooling capacity for optimal engine performance
  • All-aluminum construction for increased durability and corrosion resistance
  • Direct-fit design for easy installation on BMW 2002 models
  • Lightweight material reduces overall vehicle weight
  • Perfect for street driving and track use

This BMW 2002 High-Performance All-Aluminum Radiator by CSF is an excellent investment to keep your engine running cool, ensuring longevity and peak performance for your BMW 2002.

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Aluminum Radiator
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T#:27205364
Part#: 3429
In Stock
$ 81.99 USD
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$ 81.99 USD
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BMW E46 M3 Oil Line -10 AN Adapter Fitting Kit
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T#:31158758
Part#: 8241
In Stock
$ 89.00 USD
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$ 89.00 USD
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BMW Oil Line -10 AN Adapter Fitting Kit is designed for optimal performance with both oil cooler and thermostat housing setups. This comprehensive kit from Turner Motorsport provides everything needed for a secure and reliable connection.

Each fitting kit includes:

  • Qty. 2 - Aluminum -10 AN to ORB Fittings
  • Qty. 2 - O-Rings
  • Qty. 1 - Aluminum Fitting Bracket
  • Qty. 1 - M8 Mounting Bolt

Note: If using a -10 AN connection on the thermostat housing side, a second fitting kit is required.

Benefits:

  • Enhances connection reliability for oil cooler and thermostat housing
  • High-quality aluminum fittings ensure durability and performance
  • Includes all necessary components for easy installation
  • Compatible with CSF #8240 (BMW S54 Swap Race Spec Oil Cooler) and CSF #8032 (BMW E46 M3/S54 Race-Spec Oil Cooler)
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Aluminum Radiator
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T#:54388384
Part#: 3430
In Stock
New Item
$ 202.99 USD
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$ 202.99 USD
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Keep your MINI’s engine operating at peak performance with this premium aluminum radiator upgrade. Designed to work flawlessly with your factory water pump, this unit maximizes thermal heat transfer by circulating coolant through an optimized horizontal core, utilizing advanced fin architecture to shed heat rapidly. It drops directly onto your factory core support rubber mounts and connects seamlessly to your upper and lower radiator hoses.
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CSF Radiator - BMW E70 X5 xDrive30i N52 xDrive48i N62
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T#:638721
Part#: 3632
Ships in 4 Business Days
$ 220.99 USD
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$ 220.99 USD
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A common failure item on E70 X5 with an N52 or N62 engine is the radiator. It is such a common failure item, we recommend replacing this item preventatively every 80,000 miles. As a leading source of high-performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!
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CSF Radiator - BMW F25 X3 28i xDrive N52 3.0L
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T#:638720
Part#: 3647
Ships in 4 Business Days
$ 110.99 USD
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$ 110.99 USD
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A common failure item on F25 X3 with an N52 engine is the radiator. It is such a common failure item, we recommend replacing this item preventatively every 80,000 miles. As a leading source of high-performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform! Replaces Genuine BMW part # 17118623366
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CSF Universal Large Single-Pass Oil Cooler - Universal Application ...
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Universal fitment design - modifications may be necessary to run this cooler
CSF - Corporate Logo
T#:53608839
Part#: 8371
Ships in 4 Business Days
New Item
$ 499.00 USD
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$ 499.00 USD
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CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.
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Aluminum Radiator
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T#:27205363
Part#: 3193
Ships in 4 Business Days
$ 95.99 USD
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$ 95.99 USD
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CSF High-Performance Heat Exchanger & Transmission Cooler Module - F9...
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T#:38229113
Part#: 8331
Ships in 4 Business Days
$ 1,289.00 USD
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$ 1,289.00 USD
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The F97 X3M and F98 X4M are powered by the same high-performance S58 engine found in the G8X M3, M4, and M2. While these SUVs deliver impressive power and speed, they also suffer from the same heat management challenges as their sedan and coupe counterparts. That’s where CSF’s advanced cooling solutions come in—becoming essential upgrades for S58 owners, even for those keeping their engines mostly stock. After over a year of development and testing, CSF is proud to introduce the Front Mount Heat Exchanger & Transmission Cooler Module for the F9X X3M and X4M. One of the biggest challenges in developing a Front Mount Heat Exchanger for these models was limited space. Unlike the G8X models, the X3M and X4M feature a different transmission oil cooler, restricting the available room for a larger heat exchanger due to the mounting cradle. After extensive testing with smaller core designs, CSF determined that integrating the Heat Exchanger with a Transmission Cooler Upgrade was the optimal solution for maximizing both size and performance. By combining both components into a single cooling module, CSF achieved a design that accommodates the same core size as the G8X Heat Exchanger. The integrated Auto Transmission Cooler utilizes the same dual-core design as the G8X Transmission Cooler and is seamlessly fitted to the new Heat Exchanger. This innovative all-in-one module not only addresses two major cooling issues for the X3M and X4M but also reduces overall costs—savings that are passed along to the customer. Compared to the stock heat exchanger, CSF’s upgraded design offers significant improvements. The TIG-welded aluminum tanks are much larger than the OE plastic tanks, providing superior strength and fluid volume. A 2-row 42mm core increases cooling efficiency and capacity, utilizing CSF’s Exclusive B-Tube Technology to enhance airflow and heat dissipation. Multi-louvered fins further expand the heat exchange surface area, improving overall cooling performance while maintaining proper airflow. Built entirely from high-strength aluminum, this system ensures maximum durability and reliability. The mounting tabs and brackets are significantly stronger than the factory plastic components, offering improved longevity. Additionally, the heat exchanger includes an integrated bolt-on metal rock guard, which is far more robust than the stock plastic version—providing better protection against road debris and ensuring greater confidence in the system’s resilience. CSF’s Transmission Cooler features an innovative dual-pass design that dramatically enhances cooling performance. Unlike the OEM single-core cooler, CSF’s front-to-back stacked core design more than doubles the surface area and nearly triples the core volume. Engineers leveraged the extra space freed up by replacing the OE cooler and oversized plastic cradle, effectively doubling cooling capacity while maintaining a perfect OEM fit—no modifications required. By switching from a single-core to a dual-core design, CSF achieved a 201% increase in overall volume, significantly improving heat dissipation and fluid capacity. Using CSF’s AC Condenser Technology, the cooler incorporates a high-pressure 1-row 16mm 9-channel microtube design, optimizing oil flow and maximizing surface area contact. These features work together to provide the most effective heat dissipation possible, keeping transmission temperatures under control even under extreme conditions. With CSF’s new Front Mount Heat Exchanger & Transmission Cooler Module, X3M and X4M owners can enjoy superior cooling efficiency, enhanced durability, and long-term performance—all in a cost-effective, OEM-fit package.
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CSF OE Style Radiator - E70 X5
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T#:638783
Part#: 3522
Ships in 2 Business Days
$ 205.99 USD
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$ 205.99 USD
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CSF radiators are designed and built to High-Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold! CSF's radiators are carefully engineered and Wind Tunnel tested for Cooling Performance Validation. CSF has over 10,000 different models of radiators that they manufacture and supply for all the leading brands of vehicles on the road.
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