F9x M5 M8 CSF Charge Coolers



Introducing the world’s first high performance liquid to air charge coolers built specifically for the F90 M5, developed by RK Autowerks.  These were developed with our state of the art design process using 3D laser scanning to ensure exact fitment while creating the largest surface area for cooling possible.  Each cooler is 100% larger in size compared to the stock charge coolers, providing more efficient cooling and lower IATs.

  • Custom designed CSF liquid-to-air intercooler core (CFD analysis and testing completed to ensure optimal performance)
  • ~100% increase in core volume per side compared to OEM charge-air-coolers
  • Significantly reduces intake air temperatures (IATs), improves 60-130mph time by ~0.3 seconds
  • 1-piece seamless air inlet end tanks with integrated charge pipes
  • Integrated E85/methanol injection ports built into air outlet end tank (dual 1/8 NPT ports per cooler)
  • “Drop-in fit” design with no modifications necessary
  • Complete with OEM-style “quick connect” water connections and sensor ports
  • Finished with a professional “crinkle black” powder-coated finish (CSF #8178), also available in raw aluminum finish with option for custom powder-coating available (inquire for more details on lead time and pricing)
  • Sold as a complete set with left/right charge-air coolers + installation hardware
  • Lifetime Warranty

Models Supported:
– 2018+ M5 | F90
– 2020+ M8 Coupe, Convertible, & Gran Coupe | F91, F92, F93

Additional information

Weight 33 lbs
Dimensions 26 × 21 × 11 in


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