Mishimoto 07-11 BMW N54 (135i, 335i, 535i) Turbo BlanketHelp reduce the heat in your 2007 2011 N54 BMW (135i,335i,535i) engine bay with this Mishimoto turbo blanket. One of the main drawbacks to a turbocharger is the massive amount of heat that it produces. That heat can severely affect intake air temperatures and rob your engine of power. Additionally, keeping the exhaust gases that spin your turbo hot makes for a more efficient, better spooling turbo. That's why it's so important to insulate the hot side