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  See more parts for BMW M3
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CSF Radiators Triple Pass All-Aluminum Radiator for BMW E46 M3 2001-2006 3.2L 6-Cyl - 7058

If you're looking to keep your E46 M3 running cool—whether you're cruising the streets or pushing it to the limits on the track—this CSF High-Performance All-Aluminum Radiator is a solid bet. With over 50 years in the radiator game, CSF knows a thing or two about keeping engines at the right temp.

This isn’t just any radiator; it’s designed specifically for high horsepower builds and race-ready setups. The standout feature here is the Triple-Pass Flow Structure. What does that mean? Well, the coolant flows across the core three times before it exits, ensuring you get the lowest outlet temperatures possible. So, if you're pushing your car hard, this radiator has your back.

Now, let’s talk about the core. It’s a 2-Row design at 42mm thick, and it features CSF's exclusive B-Tube Technology. Unlike the standard oval-shaped tubes you typically see, CSF’s “B-tubes” are engineered for efficiency. They’re stronger, allowing for thinner aluminum that improves cooling without compromising durability. This design increases the heat transfer surface area by about 15%, which means better cooling performance without taking up extra space.

And those ultra-efficient multi-louvered fins? They’re not just for show. They’re meticulously aligned to maximize airflow, tested in wind-tunnel labs to ensure top-notch heat rejection. You want your M3 to stay cool under pressure? This radiator is built to deliver.

Installation? It's a breeze. This radiator is a true drop-in fit, meaning no modifications are necessary. You can reuse your OEM hoses or aftermarket ones since the inlet and outlet connections match the original specs. Plus, the CNC machined brackets and fittings ensure everything fits snugly and lasts.

Here are some specs to chew on:

  • 2 Row 42mm Core featuring B-Tube Technology
  • Core Height: 22.9375 in.
  • Core Width: 15.3125 in.
  • Core Thickness: 1.625 in.
  • Inlet/Outlet Diameter: 1.5 in.
  • Cross Flow Type
  • Satin Finish for that clean look
  • Replaces OEM Part Number: 17102228941

So if you’re serious about keeping your E46 M3 in top shape, this radiator is a no-brainer. It’s built for performance, designed to fit, and ready to take whatever you throw at it.

Proposition 65

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

Vehicle Make/Model
BMW M3 2001-2006 Base
Chevrolet Bel Air 1955-1956 Nomad
Chevrolet Bel Air 1955-1956 Base
Chevrolet Bel Air 1955-1956 Beauville
Chevrolet Corvette 1955-1956 Base
Chevrolet One-Fifty Series 1955-1956 Base
Chevrolet Two-Ten Series 1955-1956 Base
Chevrolet Two-Ten Series 1955-1956 Del Ray
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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