CSF BMW F-Chassis (B48 / B58) High Performance Front Mount Heat Exchanger

SKU: 8131

Regular price $649.00



CSF High-Performance Front Mount Heat Exchanger for BMW F-Chassis B48/B58 (CSF #8231):

  • Ultra-Efficient 42mm 2-Row Core, with CSF’s B-Tube Technology, and 6.5mm Multi-Louvered Fin Height
  • Results in Optimized Airflow Through the Heat Exchanger Core and Into Other Cooling System Components for Maximum Performance of the Entire Cooling System (Especially Critical if Installed in an X-Drive Model with Transmission Oil Cooler Placed in Front of Heat Exchanger)
  • Triple-Pass Flow Design
  • Upgraded Inlet/Outlet Design with New Tapered Entry and Exit Points from End Tanks, Resulting in Optimized Water Flow and Increased Performance (Matches OEM Spec)*
  • Included Detachable Rock Guard
  • OEM CNC Machined Mounting Location Pins and Brackets Direct Plug-and-Play Design, Including CNC Machined “Quick Connect” Inlet/Outlet Water Fittings
  • Includes Hardware Mounting Kit* for Applications That Have a Factory Transmission Oil Cooler Mounted in Front of the Heat Exchanger (X-Drive Models)
  • No Modifications Needed to Install
  • For a More in Depth Look Please Check out the CSF B58 Heat Exchanger Press Release
  • Replaces OEM Part#: 17118741830 & 17118625431

See Full Application List at

Product Inquiry

Dealer Application