OSRAM Cool Blue Boost alle Leuchtmittel bis 5500K UPGRADE H1 H4 H7 H11
Up to 5500K colour temperature. We (Driven 2 Automotive) are an official OSRAM UK Approved Partner (reference #AP1001). The Cool Blue Boost range is the OSRAM solution to retaining brightness when the bulbs glass is coated in a deep blue tint.