High-Performance Transmission Oil Cooler A90/G20 - B48/B58

CSF Cooling SKU: 8183


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CSF is a leader in automotive cooling technology, with over a half-century of experience. Using that knowledge, they have developed this high-performance oil cooler that far surpasses the abilities of stock units. Starting with a multi-row cooling core design, this oil cooler features a high-quality, fully TIG-welded tapered cast end tank that fits perfectly behind the bumper with little to no cutting necessary. If you're serious about performance, upgrade to an oil cooler with this high of quality from CSF.

Improvements over OE:

  • 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 


  • A90 Supra B48/B58
  • G20 BMW 330i/M340i
  • G29 Z4 30i/M40i