BMW Radiators for BMW F83 M4 S55 3.0L

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We sell only OE supplier or approved aftermarket upgrade radiators for your BMW. It seems BMW took some shortcuts when it came to radiator design and used weak materials like plastic for critical connection points. If you are tracking older models like E30, E36, or E46, you probably are well aware of these issues. As these cars age, the plastic pieces become more brittle and failure prone. The solution is to replace with upgraded radiators that perform as upgrades for the original, failure prone radiator to avoid being left on the side of the road or, worse yet, the track.
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BMW F8X M3 M4 CTS Performance Heat Exchanger
BMW F8X M3 M4 CTS Performance Heat Exchanger
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTS - Corporate Logo
T#:598618
Part#: CTS-F8X-HX
Ships in 7 Business Days
Sale - Save 15% $ 499.99

This product was last offered at the strikethrough price on
07-10-2026

$ 424.99 USD
Free Shipping
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Sale - Save 15%
$ 499.99

This product was last offered at the strikethrough price on
07-10-2026

$ 424.99 USD
Free Shipping
Add to Wish List

BMW F8X M3 M4 CTS Performance Heat Exchanger is designed to provide superior cooling for the BMW S55 engine platform, addressing the inefficiencies of the factory-installed heat exchanger. The factory front-mounted heat exchanger often struggles to keep tuned S55 engines cool, but this high-performance solution from Turner Motorsport is engineered to enhance cooling efficiency. Featuring a double-pass core, this heat exchanger is both larger and more effective than the factory unit while fitting perfectly into the stock location. Precision CNC-machined mounting points and hose connections ensure a seamless installation without the need for any cutting or trimming. Additionally, the integrated vent simplifies air bleeding from the cooling system after installation.

  • Enhanced cooling: Provides superior cooling for tuned S55 engines, overcoming the limitations of the factory heat exchanger.
  • Double-pass core design: Larger and more efficient than the stock unit for improved heat dissipation.
  • Seamless installation: CNC machined mounting points and hose connections ensure easy installation without modifications.
  • Integrated vent: Facilitates easy air bleeding from the cooling system post-installation.
  • Vehicle compatibility: Specifically designed for BMW F8X M3 and M4 models with the S55 engine.

Upgrade to the BMW F8X M3 M4 CTS Performance Heat Exchanger from Turner Motorsport for optimal cooling and enhanced performance.

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Wagner Front Mounted Radiator BMW M2/M3/M4 S55
Wagner Front Mounted Radiator BMW M2/M3/M4 S55
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wagner Tuning - Corporate Logo
T#:1438269
Part#: 400001003.FM
Ships in 1 Business Day
$ 1,140.00 USD
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$ 1,140.00 USD
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The 3.0 Liter S55B30 turbo engine for BMW M2/M3/M4 models is equipped with an indirect charge-air cooling circuit. So the cooling of the charged air is not realized by the ambient air as cooling medium (as usual), but made with its own cooling water circuit. A reduction of the temperature of the cooling water is directly equated with an improved cooling performance of the charged air. This is exactly where the advantages of the WAGNERTUNING upgrade water cooler comes into play. The new developed competition racing cores of the WAGNERTUNING high performance water coolers increase the radiator volume of the OEM water coolers by 89% for front mounted and 94% for side mounted. The calculated ratio between the inner and outer cooling surface generates a maximum heat transfer and allows at the same time enough air flow for the surrounding components (for example the engine water cooler) for its own heat exchange. The water coolers are equipped with a heat-conductive anti corrosion coating to ensure a lasting cooling effect. The plug & play installation of the system is simple and easy to perform (an installation instruction is included as well). Dimensions OEM front mounted radiator: 590 mm x 308 mm x 25 mm / 23,2Inch x 12,1Inch x 1,0Inch V = 4,5 Liter A = 1817 cm² / 280,7Inch² Dimensions WT front mounted radiator: 568 mm x 468,4 mm x 32 mm / 22,4Inch x 18,4Inch x 1,26Inch V = 8,5 Liter (+89%) A = 2660,5 cm² / 412,2Inch² (+46,4%) Kit comes with: 1x front mounted radiator (low-temperature circuit) 1x installation instruction
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Wagner Tuning High Performance Side Mounted Radiator - F8x M3/M4
Wagner Tuning High Performance Side Mounted Radiator - F8x M3/M4 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wagner Tuning - Corporate Logo
T#:5844249
Part#: 400001003.SM
Ships in 1 Business Day
$ 1,250.00 USD
Add to Wish List
$ 1,250.00 USD
Add to Wish List
The 3.0 Liter S55B30 turbo engine for the BMW M3/M4 models is equipped with an indirect charge-air cooling circuit. This means the cooling of the charged air is not realized by the ambient air as cooling medium (as usual), but made with its own cooling water circuit. A reduction of the temperature of the cooling water is directly equated with an improved cooling performance of the charged air. This is exactly where the advantages of the WAGNERTUNING upgrade water cooler comes into play. The new developed competition racing cores of the WAGNERTUNING high performance water coolers increase the radiator volume of the OEM water coolers by 89% for front mounted and 94% for side mounted. The calculated ratio between the inner and outer cooling surface generates a maximum heat transfer and allows at the same time enough air flow for the surrounding components (for example the engine water cooler) for its own heat exchange. The water coolers are equipped with a heat-conductive anti corrosion coating to ensure a lasting cooling effect. The plug & play installation of the system is simple and easy to perform (an installation instruction is included as well). Dimensions OEM side mounted radiator: 250 mm x 165 mm x 40 mm / 9,8Inch x 6,5Inch x 1,6Inch V = 1,65 Liter A = 412,5 cm² / 63,7Inch² Dimensions WT side mounted radiator: 252 mm x 188 mm x 68 mm / 9,9Inch x 7,4Inch x 2,7Inch V = 3,2 Liter (+94%) A = 473,8 cm² / 73,3Inch² (+14,9%) Kit comes with: 1x side mounted radiator (low-temperature circuit) 1x carbon air shroud for side mounted radiator 1x mounting material 1x installation instruction
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