Dinan Cold Air Intake - 2009-2010 BMW 335iAs boost is increased through the use of performance software, the single factory intake becomes restrictive and the engine is lacking the air it needs to make maximum power. Our cold air intake force feeds the 3 liter turbocharged inline 6 with greater volumes of cool, oxygen rich air for substantial power gains by utilizing our secondary carbon fiber intake. The system is so effective that the carbon fiber inlet air temperature is a full 40 degrees