BMW 335 Diesel Tuning Out Torques 335I Turbo VRTuned.com June 24, 2014 Product Info, Tuning Tech We have done are fair share of N54 BMW 335I ECU tuning, but the unknown child of performance is BMW's 335D for Diesel. The turbo diesel power has huge gains much like our Volkswagen Touareg TDI flash did....