The NOVITEC CANTRONIC ensures the original, necessary lifting of the rearwing for the Engine ventilation until a speed of 180km/h. This avoid an overheating of the engine and aLoss of power. Furthermore it avoids an error indication Together with a NOVITEC rearwingArticle no. L6 111 90 Without NOVITEC rearwingArticle no. L6 111 99