BMW G Series M340i / GR Supra A90 CSF Performance Transmission Cooler Upgrade

CSF Performance Transmission Cooler Upgrade for BMW G Series M340i / GR Supra A90

CSF High Performance Transmission Dual Core Cooler, perfect for keeping transmission oil temps cool on fast road / track focused vehicles.

CSF is the world leader in cooling technology. From its experience starting with the transmission in the BMW F8X M3, M4, and M2 Comp, CSF applied several different features exclusive to its manufacturing technologies. An innovative dual-core design allows for a 240% increase in core volume, resulting in maximum performance and maintaining optimal shifting during extreme racing conditions - from road racing to the drag strip. During R&D, CSF consulted with a network of partners, including leading time attack teams, tuners, and more. Often, the feedback was gearbox fatigue and sluggish shifting with transmission temperatures overheating under prolonged or hard use. CSF has the answer with our industry-leading transmission cooler for the A90/91 Supra and BMW G-Series. Installed in one of the world's fastest A90 Supra - Titan Motorsports Drag Race Supra (first Supra to reach 8s in the 1/4 mile).CSF's industry-exclusive dual-core design allows for maximum performance and the largest core volume oil capacity without affecting airflow into the rest of the cooling system. No more transmission temperature overheating or expansion tank overflow during racing conditions. Designed as a drop-in fit to work with both the OEM Front Mount Heat Exchanger as well as CSF's High-Performance version (CSF #8154) with included rock guard. Also designed to utilize the OEM top/bottom rubber seals for optimal airflow into the cooling system.

Direct Replacement, Plug and Play

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)

129mm Overall Height vs. OEM 125mm Allows for Maximum Performance Without Increasing Overall Surface Area or Blocking Airflow to Rest of Cooling System

Ideal for Road Racing, Drag Racing, and Vehicles With Increased Performance and/or Transmission Tuning

Series / Chassis

G20 / G21 / G29

Models

330e / M340i / M340iX / Z4

Engines

B48X / B58C / B58D

This item will fit Vehicles with the following Engine Codes:

G20 B48X 330e Saloon
G20 B58D M340i Saloon
G20 B58D M340iX Saloon
G21 B58D M340iX Touring
G29 B58C Z4 M40i Roadster
G29 B58D Z4 M40i Roadster

Replaces Genuine BMW Part Number:

17 21 9 494 828 - 17219494828 - 9 494 828 - 9494828