BMW N55 AIRTEC MOTORSPORT INTERCOOLER M2/M135i/M235i/335i/435i
2 Series – M235i F22/F23. 1 Series – M135i F20/F21. 4 Series – 435i F32/F36. AIRTEC Motorsport Intercooler. Designed and manufactured in the UK by AIRTEC. AIRTEC cast end tanks for improved airflow and unbeatable strength.