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The Koyo radiator specified for 1999–2005 BMW E46 (non‑M3) manual transmission vehicles is a direct‑fit cooling upgrade replacement. Engineered to meet OE fitment for the listed chassis, the radiator supports proper engine cooling for street use and repairs. It’s offered as a drop‑in replacement to restore or maintain the vehicle’s cooling performance for the specified model range.
Koyo 99-05 BMW E46 (Non M3) M/T ONLY Radiator
