CSF BMW N54 135i / 335i / Z4 / Manual Transmission Only / OEM Plastic Radiator

CSF prides itself on using the most advanced technologies, machines, and experienced personnel to design, develop, and manufacture the world’s best cooling systems. With three privately owned, ISO-certified manufacturing facilities that supply OEM brands, CSF houses the industry’s best manufacturing equipment. Thanks to their cutting-edge capabilities, they are able to produce the strongest and most complicated components with ease.

All CSF radiators undergo a rigorous testing process in their state-of-the-art testing lab. CSF’s procedures and requirements set the bar for cooling system reliability and performance:

• Individually leak tested
• Vibration-cycle tested
• Thermal-cycle tested
• Wind tunnel tested for optimal radiator core cooling efficiency
• Burst pressure and impulse-cycle tested for strength
• Salt spray tested for corrosion protection
• 10-foot box drop test to ensure packaging protection
• 30-point fitment inspection on critical dimensions to ensure drop-in fit with no modifications

Replaces OE Part Number:

17-11-7-558-480 / 17 11 7 558 480 / 17117558480