AMS Performance Heat Exchanger - BMW M340i B58 (2019+)
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The AMS Performance B58 Heat Exchanger for the 2019+ BMW M340i is a drop-in upgrade that slashes intake temps and banishes heat soak under all conditions. Its motorsport-grade, dual-pass core and billet-aluminium end tanks deliver unrivalled cooling capacity—no cutting, drilling or special tools required.
Key Features:
• CNC-machined 6061-T6 billet-aluminium end tanks for OEM-style fitment
• Motorsport-grade dual-pass core with 54% larger volume than stock
• 122% more coolant capacity for superior thermal stability
• 5 mm louvered fins optimise heat transfer and minimise pressure drop
• Plug-and-play installation using factory mounts and hoses
• CAD-designed and CFD-refined for perfect fit and maximum efficiency
Engineering Highlights:
Developed in Solidworks® with rigorous CFD analysis, this heat exchanger uses upgraded coolant ports and brackets to ensure flawless, OEM-quality integration. The precision-machined end tanks lock into factory mounting points for a secure, vibration-free fit.
Benefits:
• Dramatically lower intake-air and coolant temperatures
• Consistent power delivery during track sessions, roll-racing pulls or hot-weather drives
• Eliminates heat soak for sharper throttle response and sustained performance
Contents
• AMS Performance B58 Heat Exchanger
• Upgraded coolant lines, couplers and bleeder port
• Mounting hardware and instructions
No instructions available for this product.