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  See more parts for BMW 320i
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CSF Radiators Engine Coolant Radiator for BMW 320i 2001-2005, Aluminum Core, Crossflow Design - 3708
CSF Radiators Engine Coolant Radiator for BMW 320i 2001-2005, Aluminum Core, Crossflow Design - 3708 - Image 2 CSF Radiators Engine Coolant Radiator for BMW 320i 2001-2005, Aluminum Core, Crossflow Design - 3708 - Image 2

If you’re looking to keep your engine running cool and strong, the CSF Engine Coolant Radiator (3708) is a solid choice. Trust me, I’ve been through my fair share of radiators, and this one stands out for a reason. It’s built to last and designed to keep your cooling system in check, which is crucial for any vehicle owner who wants to extend the life of their engine.

This radiator is a crossflow type, which means it’s designed for maximum efficiency. With a core length of 22 13/16 inches and a width of 17 5/8 inches, it fits snugly into your ride. The core is made of aluminum, while the tanks are crafted from durable plastic, ensuring a lightweight yet robust construction. It’s got a single row design, but don’t let that fool you; it’s engineered to perform.

One of the standout features of this radiator is its OEM-specified construction. The plastic tanks are made from virgin-grade engineered resins that are glass-filled for extra strength. This means they can take a beating and still keep your coolant where it belongs. Plus, the gaskets are made from special-grade EPDM rubber, which can handle extreme temperatures—up to -120 degrees Fahrenheit. That’s some serious durability.

Now, let’s talk about cooling performance. The fins are designed with a high-performance multi-louvered design, which helps with airflow and heat dissipation. And you won’t have to worry about leaks; every radiator is 100% leak tested at 150% of operating pressure before it leaves the factory. You can count on it to hold up under pressure.

CSF has been in the game for over 50 years, and they know a thing or two about making radiators. They’ve sold over 30 million units worldwide, so you know they’ve got the experience to back up their products. Each radiator is carefully engineered and even wind tunnel tested to validate cooling performance. They really put their products through the wringer to ensure they meet high performance standards.

When it comes to fitment, this radiator is perfect for the BMW 320i models from 2001 to 2005. It’s a straightforward replacement that’ll have your car running cooler in no time. If you’re serious about keeping your engine in top shape, you can’t go wrong with the CSF 3708 radiator.

Other Part Numbers:
CSF Radiators #csf3708

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
BMW 320i 2001-2005 Base
CSF Radiator

Anyone who needs a new radiator should consider buying a CSF radiator. A CSF radiator and CSF cooling system offers the best performance for driving and racing enthusiasts. If you have a faulty radiator or are looking to upgrade to a high-performance radiator, a CSF radiator will get the job done. 

What is a CSF Radiator?

During the last 40 years, CSF has manufactured over 10,000 different models of radiators, oil coolers, heat exchangers and condensers for Automotive, Truck, Industrial and Marine applications. Today, their products are sold in over 60 countries throughout the world. Their US Aftermarket Division stocks over 1000 models that cover over 2100 applications for all popular Import vehicles.

CSF supplies radiators and condensers that are designed to meet or exceed original equipment (OE) engineering specifications. Their plants meet ISO 9000 standards and provide parts to OE manufacturers, and to top it all off - check out their industry leading warranty. Simply put, you cannot buy, sell, install or own a better value radiator or condenser.

Why Should I Buy a CSF Radiator? 

A CSF radiator offers a number of benefits over the competition. Below, we explain the main reasons why you should buy a CSF radiator.

A Market Leader for over 45 Years

CSF has been a market leader for over 45 years, as the company was initially established in 1975 and have been selling CSF radiators ever since. Over time, a CSF radiator has become known for its innovative design and impeccable quality.

High-Quality Radiator Testing

Every single CSF radiator and CSF cooling system has been put through a rigorous series of tests to make sure every system is reliable and performs at a high level. In their testing lab, CSF puts in the time to make sure every product works perfectly. 

Cutting-Edge Technology

Each CSF radiator uses cutting-edge technology to bring customers the best CSF full cooling system possible. CSF racing radiators combine a high-efficiency core, advanced endtank designs, and innovative design and engineering to give our customers the most advanced and efficient radiator possible.  

Get a CSF Radiator or CSF Cooling System From Vivid Racing 

Vivid Racing carries a wide selection of CSF radiator products, including CSF cooling systems and other accessories. If you are interested in learning more or would like to purchase a CSF radiator, please contact Vivid Racing today by calling (480) 966-3040.

CSF takes pride in the quality of its products and offers one of the best warranty’s in the industry. Please refer to the CSF warranty card in the shipping carton for details.

CSF warranty is applicable only to the original owner of the vehicle. Original paper work verifying the proof of purchase and pre-installation cooling system checklist signed by the professional installer is required to process warranty claims.

All warranty claims should be directed to the point of purchase. Due to CSF’s established agreements with Authorized CSF Warehouse Distributors, CSF is unable to handle and/or process warranty related calls/inquires from any individuals – all inquires/warranty related claims should be directed to the point of purchase or an authorized warehouse distributor.

Take care of your radiator, as under circumstances listed below the warranty will be void.

If the radiator is installed and is returned deformed (bulging tanks, warped core etc.), this is an indication that the radiator is the victim of some other problem and not the cause. The deformation is a result of the radiator being subjected to extremely high pressure and or temperature caused by any of the following reasons:Defective Pressure Cap, Defective Head Gasket, Defective Temperature gauge (incorrect readings), Defective Water Pump etc. Such units are not covered under the warranty.

If a radiator seems to have a “fit problem” there is the possibility that there is some confusion about a multi-fit radiator that might look different. Your nearest CSF WD can clarify the application, just give them a call. A perceived fit problem is not covered under warranty.

If a unit is damaged in shipping, please file a claim with the carrier. Damages caused during shipping, installation or handling are not covered under warranty.

Any repairs or alterations to the unit will automatically void the warranty.

Any form of abuse, including the use of improper coolant mixtures, damage caused by steam, corrosion etc and use on commercial vehicles voids the warranty. It is the vehicle owners’ responsibility to maintain the cooling system as specified in the owners manual.

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