Inline6 Tuning

CSF BMW N55 M2/M135I/M235I/335I/435I (F2X/F3X/F87) High-Performance Intercooler

€889,00 EUR

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Finish Raw Black

Most intercoolers don't offer an immediate performance gain without increasing boost pressure - CSF's Stepped Core Intercooler for the N55 is a genuine exception. In back-to-back testing, it recorded intake air temperatures 38°F (21°C) lower than the factory unit after just three consecutive pulls from 4,000 to 5,800rpm, while maintaining consistently stable IATs rather than climbing with each successive run.

The stepped core design maximises both surface area contact and internal airflow volume, while a rounded front-face bar/plate construction optimises airflow through the core itself - making this the largest true drop-in fit intercooler available for this platform. Developed using 3D scanning and rapid-prototype technology for precise fitment, and lab tested in an in-house wind tunnel, the result is genuinely measurable: a 15-20hp increase on stock N55-powered cars, and 25+hp on modified examples, purely from the reduction in heat soak and improved airflow. It's fully reversible back to OEM spec if ever needed, with OEM-style quick-connect inlet/outlet connections for an easy, quick installation.

Why Choose This Intercooler

38°F (21°C) lower intake air temperatures - verified in repeated back-to-back testing
Stepped core design - maximises surface area and internal airflow volume
Largest true drop-in fit intercooler available for this platform
Dyno-proven gains without any other modification - 15-20hp stock, 25+hp on modified cars
Fully reversible - returns to OEM spec with no permanent modification
Lab tested in-house wind tunnel - genuine engineering validation, not just marketing claims