OEM stock intercooler for BMW N54 / N55 suffers severe heat‑soak under high boost, causing high intake air temperature, ignition timing pull and power loss during hard driving. This 7.5‑inch Competition front mount intercooler (FMIC) kit is a high‑performance upgrade for E‑Chassis 135i / 335i. Built with heavy‑duty bar‑and‑plate aluminum core and cast aluminum end tanks, black powder‑coated finish. Greatly increases cooling volume, effectively lowers intake air temperature, minimizes heat‑soak and pressure drop.

An intercooler is a heat exchange device designed to cool the compressed air produced by a turbocharger or supercharger before it enters the engine’s combustion chamber. When air is compressed, its temperature rises, which reduces density and oxygen content. By lowering the temperature of the intake air, the intercooler increases air density, allowing more oxygen to enter the engine. This improves combustion efficiency, enhances engine power output, and reduces the risk of knocking or pre-ignition. 

Engine: BMW N54 / N55 3.0T Twin‑Single Turbo

‑ E82 / E88 135i (2008‑2013)

‑ E90 / E91 / E92 / E93 335i / 335xi / 335is (2007‑2013)

✅ 7.5‑inch thick high‑density bar‑and‑plate aluminum intercooler core

✅ Cast aluminum end tanks, black powder‑coated anti‑corrosion finish

✅ Huge cooling volume, reduce intake temperature & heat‑soak

✅ Low pressure drop, consistent power under continuous hard driving

✅ Complete kit: charge pipes, reinforced silicone couplers, T‑bolt clamps & full hardware