CTS Turbo A90/91 Toyota Supra BMW G-series Z4 30i/M40i/M340i B58/B48 Heat Exchanger

Code: CTS-A90-HX

Original price was: US$499.99.Current price is: US$424.99.

In Stock
Included Warranty

12 Months
All CTS Turbo products are warrantied against manufacturing defects for a period of 12 months from the date of invoice. Warranty does not cover abuse, misuse, consequential damages, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective the customer will receive, at the discretion of CTS Turbo, free repair or replacement. Warranty on other manufacturers will be processed under their terms.


CTS Turbo is proud to announce our Front Mount Heat Exchanger for the Toyota Supra A90/91 and BMW G-series B48/B58 platform.

The factory front-mounted heat exchanger is small and not efficient enough to provide enough cooling to tuned  B48/B58 engines. We designed our heat exchange to overcome that problem. The double-pass core was made to be higher flowing and larger than the factory but still drop into the stock location. CNC machined mounting points and hose connections allow for a seamless install without any need to cut or trim any factory parts.

Keep your B48/B58 running cool and reliably with CTS Turbo Front Mount Heat Exchanger.


  • CNC machined mounting points and hose connection for factory fitment
  • Drop-in design
  • Smooth bends on the coolant connections
  • High-efficiency double-pass aluminum core
  • Hand-welded and pressure tested
  • Lowers intake air temperature
  • Installation hardware included
  • Fully compatible with factory rock guard, simply transfer the factory parts over
  • Replaces OE#: 16400-WAA03 and 17118666811

Vehicle Fitment (2.0T and 3.0T engines):

  • 2020+ Toyota Supra (A90/A91) B48/B58
  • 2018+ BMW G29 Z4 20i, 30i & M40i
  • 2018+ BMW G20 3-Series B48/B58 (320i, 330i, 330iX, M340i, M340iX)
  • 2018+ G21 3-Series Touring (330i, 330iX, M340iX)

Additional information

Weight 18 lbs
Dimensions 31 × 21 × 9 in



Make Model Year Generation
Make Model Year Generation
BMW 330i 2018 - 2021 G20
BMW M340i 2019 - 2021 G20
BMW Z4 30i 2018 - 2021 G29
BMW Z4 M40i 2019 - 2022 G29