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CSF Heat exchanger BMW B58 Fxx
  • CSF Heat exchanger BMW B58 Fxx
  • Allow factory level fitment of the OEM transmission cooler on top of the stone guard.

CSF Heat exchanger BMW B58 Fxx


Prevent heat soak and keep those IAT's down on your B58

Color: Black

  • Ultra-Efficient 42mm 2-Row Core, with CSF 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


Data sheet

Part number
OE Part number
17118741830 ,17118625431

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