Shopping for BMW 135i / 335i N54 Upgraded Turbos (E90 / E92 / E82) on sale? Check out our selection of BMW 135i Upgraded Turbos for BMW N54. Sales on all our BMW 335i N54 Turbo Upgrades. Browse from Vargas Turbo and VTT BMW N54 Stage 1, Stage and Stage 2+ Hybrid Turbo Upgrades.