CSF Aluminum Radiator for BMW N55 2-Row Core B-Tube Tec

CSF Aluminum Radiator for BMW N55 — 2-Row Core with B-Tube Technology Precision-engineered cooling for N55-powered BMWs. CSF leverages over five decades of radiator design to deliver an all-aluminum, high-performance radiator built for street driving, spirited use, and track duty. Application: BMW N55 engines Core: 2-row all-aluminum core optimized for increased heat rejection B-Tube Technology: Unique B-shaped tubes brazed at the seam for greater strength, allowing thinner, lighter aluminum with ~15% more heat transfer surface versus conventional oval tubes Cooling advantage: Dual liquid laminar flow within the same footprint improves thermal efficiency for high-horsepower builds and motorsport use Fins & airflow: Multi-louvered fins precisely aligned and wind-tunnel tested to maximize airflow and heat rejection Durability: Robust construction suited for frequent high-load operation and long service life Upgrade to the CSF Aluminum Radiator to reduce operating temperatures, improve thermal stability under load, and protect performance on the road or track. Ideal for tuners, racers, and enthusiasts who demand reliable, factory-fit cooling performance with a proven engineering edge.