Mishimoto Heat Exchanger for BMW M3 M4 2015-2020 Air-to-Water Intercooler

Mishimoto Heat Exchanger for BMW M3 / M4 (2015–2020) — Air-to-Water Intercooler Upgrade Improve intercooler performance for your F8X M3 or M4 with the Mishimoto Performance Heat Exchanger. Engineered to reduce intake temperatures and resist road damage, this direct-fit unit upgrades the stock air-to-water system with a larger, more efficient core and durable construction. Key Features Aluminum end tanks & ports — replaces plastic for greater durability and heat transfer. 42 mm thick, dual-pass core — expanded height (+150 mm) delivers a 60% increase in core volume and 180% more external fin surface area. Up to 9°F lower system temps — measurable reduction in global intercooling temperatures compared to stock. Steel mesh stone guard — protects fins from road debris while maintaining airflow. Variable fin pitch — lower 12 rows optimized to support DCT-equipped M cars for balanced cooling. Mishimoto Lifetime Warranty — backed for long-term reliability and peace of mind. Benefits Designed specifically for the S55-powered 2015–2020 BMW M3 and M4, this heat exchanger maximizes heat rejection from the air-to-water intercooler, improves sustained performance under load, and increases durability in everyday driving. Installation is vehicle-specific for a clean, factory-like fit. Fitment: BMW M3 / M4 (F80/F82/F83) 2015–2020.