CSF 8183 Dual-Core Transmission Oil Cooler for 2018-24 Supra/BMW G-Series

Vehicle Fitment

• 2018-2024 BMW 3 Series (G20/G21 330e, M340i/M340iX), BMW Z4 (G29 M40i/30i); 2020-2024 Toyota GR Supra (A90/A91)

Features

• High-performance dual-core transmission oil cooler design
• 240% increase in core volume vs OEM cooler
• 130% increase in transmission fluid capacity vs stock unit
• Two stacked 16 mm cores for more efficient cooling
• 5.4 mm tall multi-louvered fins improve heat dissipation
• OEM style quick-connect inlet/outlet for easy install
• Drop-in fitment with no vehicle modifications required
• Ideal for road racing, drag racing, and high-performance tuning

Specifications

• Core material: Aluminum
• Core width: 32 mm (combined cores)
• Overall height: 129 mm
• Core rows: Dual-core design
• Connection type: OEM quick-connect
• Warranty: 2-year limited

Included Components

• 1x CSF 8183 high-performance transmission oil cooler

Product Description

The CSF 8183 Dual-Core Transmission Oil Cooler is engineered for enthusiasts seeking reliable, high-performance cooling for modern turbocharged vehicles. Built with an industry-exclusive dual-core design, this cooler significantly increases core volume and fluid capacity compared to stock units, helping manage transmission temperatures more effectively during spirited driving, road racing, or drag applications. The stacked cores and multi-louvered fin design boost heat dissipation without impeding airflow into the rest of the cooling system.

Designed as a drop-in replacement with OEM-style quick-connect fittings, the CSF 8183 installs easily without vehicle modifications. It utilizes the factory top and bottom rubber seals for optimal airflow and fits alongside the OEM front mount heat exchanger or CSF's high-performance heat exchanger upgrade. Ideal for performance-tuned vehicles and high-load driving conditions, this transmission oil cooler helps maintain consistent shifting and fluid temperatures for improved reliability and drivetrain performance.