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CTS Turbo BMW/Toyota G20/G29 M340i/M440i/Z4 M40i/ GR Supra A90/A91 Auxiliary Radiator

CTS Turbo BMW/Toyota G20/G29 M340i/M440i/Z4 M40i/ GR Supra A90/A91 Auxiliary Radiator

CTS TURBO
Availability:
in stock, ready to be shipped
SKU CTS-HX-0010
$379.99 - $379.99
$379.99
$379.99 - $379.99
$379.99
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

We are proud to announce our new high-performance Auxiliary Radiator Cooler Upgrade for G-series BMW's and MKV Toyota Supra. Designed specifically for enthusiasts who demand superior cooling performance, this upgrade offers enhanced heat dissipation and improved thermal management for your engine and transmission. Crafted from top-quality materials, the auxiliary radiator cooler is engineered to seamlessly integrate into your  existing cooling system, providing optimized cooling efficiency under high-stress conditions. Say goodbye to overheating worries and unleash the full potential of your B58's performance with our Auxiliary Radiator Cooler Upgrade.

PLEASE NOTE THESE ARE SOLD INDIVIDUALLY. ALL CARS REQUIRE 2 AUXILIARY RADIATORS PLEASE ENSURE TO ADD 2 TO YOUR CART FOR A FULL SET.

  Features:
  • Elevate cooling performance with our Auxiliary Radiator Cooler Upgrade
  • Features a 2-row, 42mm ultra-high-performance core
  • Precision CNC machined mounting brackets and OEM-style Quick Connect fittings
  • Constructed with 100% aluminum, TIG-welded for durability and heat dissipation
  • High-performance black finish
  • Fits seamlessly on both left and right sides of the vehicle
  • Designed as a drop-in fit, requiring no modifications during installation
Fitment:
  • 2020 - present A90/A91 Toyota Supra
  • 2018 - present BMW G20 M340i?M440i
  • 2018 - present BMW z4 M40i

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 8 applications
M340i
Make Model Engine Years
BMW M340i 2018–2023
BMW M340i (G20) 2018–2023
M440i
Make Model Engine Years
BMW M440i 2018–2023
BMW M440i (G22) 2018–2023
Z4 M40i
Make Model Engine Years
BMW Z4 M40i 2019–2022
BMW Z4 M40i (G29) 2019–2022
SUPRA
Make Model Engine Years
TOYOTA SUPRA 2021–2022
TOYOTA SUPRA (A91) 2021–2022

Fitment data last updated: 2026-08-15

Fits 8 vehicle applications Check vehicle fitment before ordering View fitment

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