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

The CTS Turbo auxiliary radiator delivers supplementary cooling for B58-powered platforms including the BMW G20/G22 M340i/M440i, Z4 M40i, and Toyota GR Supra A90/A91. Designed to address heat management limitations under sustained high-load conditions, this direct-fit auxiliary radiator integrates seamlessly with factory cooling systems. Ideal for vehicles running increased boost pressures or track applications where maintaining optimal operating temperatures is critical. Constructed with precision-formed aluminium cores and engineered to CTS Turbo's exacting standards for professional tuning environments.