Z4 Turbo Timers keep the roadster tradition alive. Keep your turbo from prematurely extinguishing with a Turbo Timer. New Z4 Turbo Timers add to the performance BMW provides. The Turbo Timer keeps the engine idling after the key has been taken out. Add a little flair to your Coupe with new Z4 Turbo Timers. A Turbo Timer allows the oils to cool down without harming your turbo. Take care of your engine today and get a Turbo Timer.