Feel the difference the moment you push your B58 BMW harder. With the CSF High-Performance All-Aluminum Radiator, your F2X or F3X keeps its cool even when boost climbs, laps stack up, and the track heats up. No more limp mode fears, no more fading performance, just pure confidence knowing your engine is running at peak efficiency. Street, track, or canyon runs, this radiator is built to handle everything you throw at it.

Every CSF radiator starts with real engineering muscle. Dyno tested, track validated, and designed with input from hardcore BMW enthusiasts, this radiator doesn’t just cool it manages heat like a pro. The 5mm fin technology and B-Tube design were tuned for maximum flow and thermal recovery so your car stays consistent lap after lap. Factory plastic tanks are replaced with full aluminum construction that resists cracks, leaks, and the rigors of high horsepower builds.

Precision Engineered Design

All-aluminum construction with TIG-welded seams
42mm 2-row ultra-performance core
5mm tall multi-louvered fins for maximum heat transfer
CNC machined mounting brackets with OEM-style inlets and outlets
Exclusive B-Tube technology increases heat dissipation by 15 percent
Hand brushed satin finish
Individually leak and pressure tested

Configuration Options

This radiator is a direct OE replacement with no modifications needed
Compatible with factory and aftermarket auxiliary heat exchangers

Exhaust Tips & Customization

Not applicable for this radiator

Production & Lead Time

Made to order with quality checks on every unit
Expect production time to ensure every radiator meets performance standards

Fitment

Benefits

Boosts heat transfer efficiency by 20-25 percent
Supports high-boost and big-turbo builds
Eliminates risk of cracked tanks or gasket failure
Durable all-aluminum construction
Seamlessly integrates with OEM or aftermarket cooling systems

NOTE: OFF ROAD USE ONLY