Feel the thrill of consistent boost and cool charge air with the CSF BMW F3X F2X B58/B48 Triple-Pass Heat Exchanger in polished silver. Every pull feels sharper as your engine stays out of limp mode and delivers power without hesitation. This is the upgrade that makes every spirited drive or track session more controlled, more confident, and more fun.

CSF spent countless hours on dyno and real-world testing to ensure this cooler handles high-output B58 and B48 engines. Every unit is engineered with a triple-pass flow design that keeps coolant temperatures rock solid under load. The hand-polished mirror finish not only looks incredible but reflects the attention to detail and craftsmanship poured into every cooler.

Precision Engineered Design

Features a 68mm two-row core using CSF's B-Tube technology, the largest two-row core in the industry. Triple-pass flow sends coolant through three times for the lowest exit temperatures possible. CNC machined mounting pins and brackets allow plug-and-play installation. Includes a detachable rock guard for protection. Core measures 524mm by 478mm by 69mm. Finished with a one-hour mirror polish for an OEM plus look.

Configuration Options

Available as a single polished silver variant. Satin black finish available as CSF 8131B. Designed for turbocharged B58 and B48 F2X and F3X BMW platforms.

Exhaust Tips & Customization

Not applicable for this cooling component.

Production & Lead Time

Built to order with quality prioritized over speed. Each unit undergoes strict quality checks before shipping to ensure performance and fitment.

Fitment

Benefits

• Triple-pass core keeps charge air temperatures at minimum
• 68mm two-row core handles high-output B58 and B48 engines
• CNC machined plug-and-play installation
• Detachable rock guard included
• Mirror polished finish for OEM plus look
• Critical for tuned, upgraded, or track-prepped vehicles

NOTE: OFF ROAD USE ONLY