JSD Turbo Intercooler/Charge Air Cooler — F22/F30 228i/328i/335i

The core uses a compact tube-and-fin aluminum construction that increases heat-exchange surface area and promotes consistent airflow through the cooler, helping your engine receive denser, cooler charge air on every pass through the rev range. It's the same fundamental architecture as the factory unit — built to move heat efficiently under sustained boost rather than just at idle.

Durability gets serious attention here. Reinforced plastic end tanks feature internal cross-bars that brace against pressure spikes, while purpose-designed side panels and strengthened inlet and outlet necks resist the mechanical tension and thermal expansion cycles that cause cheaper units to crack or weep at the seams. Each unit is put through corrosion, vibration, pressure impulse, and thermal performance testing before it ships, in line with OE manufacturing requirements.

Installation is a straightforward drop-in swap using your existing factory hardware and mounting points — no drilling, no modifications, no adapters. This unit cross-references OE part numbers 17517600531, 17517618809, and 17517600532, so confirming fitment against your existing part is simple before you order.