Radiator, CSF Aluminum - F22 228i, F3X 320i/328i/335i, F3X 428i/435i Automatic

BimmerWorld View -CSF provides a high-quality that exceeds OE standards, gets rid of the plastic end tanks, and improves cooling by 25-30%. More efficient cooling for your street/track car at a great price.

• Drop-in fitment to F22 and F30/F32 manual transmission models
• High performance aluminum core
• Aluminum endtanks instead of plastic
• CSF B-Tube design
• Designed and tested in the USA

CSF Aluminum performance radiators feature a thicker core combined with their B-tube design to offer greatly enhanced cooling performance with improved durability. Instead of a single oval radiator tube, CSF has two tubes in the shape of a "B" that have more surface area and greater strength. In addition, CSF can use a thinner material that is more efficient and lighter. Adding lightness has its benefits as a thicker core will mean the radiator and extra coolant will weigh more (thicker is not always the best). Read more on CSF B-Tube tech by clicking here. By doing away with the plastic end tanks and connections, CSF has eliminated the main weak points of the stock radiator design. The plastic has a tendency to crack and leak, especially on track cars where the extreme heat makes the plastic brittle.

The F22/F30/F32 CSF Aluminum radiator is designed as a drop-in replacement to the stock system. It uses all of the factory plastic shrouding, hose connections, and mounting points. Although not a fitment concern, the thicker core will tighten tolerances, specifically between the expansion tank and accessory belt. All CSF radiators receive design and development in the USA with additional wind tunnel, vibration, thermal cycle, burst pressure, and salt spray testing done at their production facilities in Southeast Asia. During manufacturing, radiators are individually tested for leaks and receive a 30-point inspection prior to shipping. This part is a much higher level of quality than typical Chinese factory parts. CSF is an OE supplier to several manufacturers as well as providing private-label products for other radiator brands. CSF radiators have a two year warranty.

This performance radiator replaces Original BMW part numbers 17118672104 and 17117618807.

Note for 4 Cylinder Models: NOT for N26 SULEV engine. Only for N20 (non-SULEV) engine. 

Note for 6 Cylinder Models: NOT for M Sport Package (option code P337A). 

This radiator was used in many models for the 2012, 2013, 2014, 2015 and 2016 model years. Here's a detailed list of fitments that this OEM radiator is used on: 

Detailed List of BMW fitments for this radiator: 
2014-2016 F22 BMW 228i xDrive (N20, automatic)
2014-2016 F23 BMW 228i 228i xDrive M235i (N20, automatic)
2012-2016 F30 BMW 320i 320i xDrive 328i 328i xDrive Sedan - For N20 (non-SULEV) engine 
2012-2016 F30 BMW 335i 335i xDrive Sedan - WITHOUT M Sport Package
2013-2016 F31 BMW 328i xDrive Wagon (N20, automatic)
2013-2016 F32 BMW 428i 428i xDrive Coupe - For N20 (non-SULEV) engine 
2013-2016 F32 BMW 435i 435i xDrive Coupe - WITHOUT M Sport Package
2013-2016 F33 BMW 428i Convertible 428i xDrive Convertible- For N20 (non-SULEV)  
2013-2016 F33 BMW 435i Convertible 435i xDrive Convertible 
2014-2016 F34 BMW 328i / 328i xDrive GT (Gran Tourismo) - For N20 (non-SULEV) 
2014-2016 F34 BMW 335i xDrive GT (Gran Tourismo) - WITHOUT M Sport Package
2014-2016 F36 BMW 428i Gran Coupe 428i xDrive Gran Coupe - For N20 (non-SULEV)  
2014-2016 F36 BMW 435i Gran Coupe,435i xDrive Gran Coupe - WITHOUT M Sport Package

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.