With chiptuning, the engines power reserves are activated via the engine control unit. Chiptuning from reputable and professional providers never use the full possibilities, but move within a reasonable framework between a technically feasible increase in power and the safety of your engine and the engine components, such as the turbocharger. The engine warranty is free from manufacturers such as CPA Chiptuning. The warranty comes directly from CPA and is not processed through a third party provider. We think: a clear plus in security for you as a buyer.