Improved turbocharger

A turbocharger system (1) for a vehicle comprising a turbocharger (2), a tank (3) for compressed gas and an exhaust manifold conduit (4) being in fluid communication with an inlet (5) of the turbocharger (2). The tank (3) is in fluid communication with the manifold conduit (4) and is arranged to push compressed gas into the manifold conduit (4) during a predetermined pulse duration time period for initial compressor spin up in the turbocharger (2)