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CSF F8X BMW M3/M4 Front Mount Heat Exchanger w/Rock Guard - Black - Complex Seven Industries
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CSF F8X BMW M3/M4 Front Mount Heat Exchanger w/Rock Guard - Black

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CSF all aluminum front heat exchanger for the F80 M3 and F82 M4. The aluminum construction is far more substantial and reliable than the factory piece that uses plastic end tanks. With the tight space of the F8X engine bay, maximizing surface cooling is crucial, and CSF has a proven winner in design and materials.


  • 2-row 42mm core (dual-core) featuring CSF's exclusive B-tube technology
  • Core features an ultra-efficient fin with 6.5mm fin height and a multi-louvered design for maximum surface area contact.
  • Dual-pass flow structure allows the coolant to flow across the core of the radiator two times before exiting the radiator for the lowest outlet temperature possible (OEM style design)
  • CNC machined, OEM style "quick-connect" inlet/outlet connections
  • CNC machined, OEM style mounting brackets & fittings for superb fit and durability
  • Includes removable aluminum rock guard
  • All-aluminum race style drain plug
  • Stealthy black finish
  • "Drop-in fit" requiring no modifications to install. Accepts all attaching OEM components, including "quick-connect" hoses, mounting brackets, OEM X-brace, and air ducting/shrouding.
  • Lifetime warranty

This Part Fits:


Year Make Model Submodel
2016-2018 BMW M2 Base
2019-2021 BMW M2 Competition
2020 BMW M2 CS
2015-2018 BMW M3 Base
2015-2020 BMW M4 Base
2019-2020 BMW M4 CS
2016 BMW M4 GTS

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