Performance cooling upgrades for the BMW M340i / M440i (G20–G26). Every part listed here fits your car.
AMS Performance
AMS Performance 2019+ BMW M340i B58 Heat Exchanger
Wagner Tuning
Wagner Tuning EVO1 Intake Manifold with Integrated Intercooler - BMW Gen1 B58
Wagner Tuning EVO1 Intake Manifold with Integrated Intercooler - BMW/Toyota Gen2 B58
CSF Race
CSF High-Performance All-Aluminum Radiator BMW F2x/F3x B58 Gen 1
CSF Charge Air Cooler Manifold - BMW B58 G-Series Toyota Supra A90/A91
CSF High-Performance Heat Exchanger W Rock Guard- B58 BMW G-Series Toyota Supra A90/A91 8154
Burger Motorsports
Burger Motorsports Oil Catch Can for G Chassis B58 Gen 2 M240 M340 M440i
CSF Air to Air Competition Manifold - B58 G-Series Toyota Supra A90/A91
CSF Triple-Pass Heat Exchanger w/ Rock Guard - F2x/F3x 8131
CSF High-Performance Auxiliary Radiator - B58 BMW G-Series Toyota Supra 8179
CSF High-Performance Radiator - B58 G-Series Toyota Supra A90/A91
CSF Transmission Cooler - B58 BMW G-Series Toyota Supra A90/A91 8183
CSF Race X Charge Air Cooler Manifold - BMW Gen 2 B58 G-Series Toyota Supra
CSF Charge Air Cooler Manifold- BMW B58 Gen 1 F3x/G0x/G1x/G3x 8300
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Active Autowerke BMW B58 Gen 3 G-Series Catted Downpipe (2025+)
Active Autowerke Catted Downpipe- BMW B58 Fits F/G Chassis Up to 2024
Active Autowerke Charge Pipe- G-Chassis M340i M440i / A90 SUPRA - 15-007
Active Autowerke Downpipe - BMW S58 F97/F98 X3M/X4M (11-064)