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1 5
CSF

CSF High Performance Transmission Oil Cooler for B58 M340i/Z4 M40i/A90/A91

$539.10 $599.00
  • Innovative Dual-Core Design (Industry Exclusive) vs. OEM Single Core
    • 240% Increase in Core Volume
    • 130% Increase in Fluid Capacity Compared to OEM (CSF 550ml vs. OEM ~240ml)
    • Two 16mm Stacked Cores = 32mm Core Width (44mm Overall Width) vs. OEM 15mm Core Width
    • Rear Cooler: 15 Rows vs. OEM 12 Rows
    • Front Cooler: Additional 12 Rows 
  • 5.4mm Tall Multi-Louvered Fin vs. OEM 7mm
  • Made with CSF’s AC Condenser Technology Using a 1-Row Super-High Pressure 16mm 9-Channel Microtube for Optimal Oil Flow and Maximum Surface Area Contact 
  • 129mm Overall Height vs. OEM 125mm Allows for Maximum Performance Without Increasing Overall Surface Area or Blocking Airflow to Rest of Cooling System
  • Utilizes OEM Top/Bottom Rubber Seals for Optimal Airflow
  • OEM Style “Quick Connect” Inlet/Outlet Connections 
  • Drop-in Fit Requires No Modifications to Install 
  • Can be Installed With CSF’s High-Performance Heat Exchanger (CSF #8154) or with the OEM Cooling System
  • 2-Year Limited Warranty
  • Ideal for Road Racing, Drag Racing, and Vehicles With Increased Performance and/or Transmission Tuning
  • Fits:
    • 2018+ BMW G29 Z4 M40i
    • 2018+ BMW G20 3-Series (330e, M340i, M340iX)
    • 2018+ BMW G21 M340iX Touring
    • 2020+ Toyota GR Supra (A90/A91)
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