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High-performance N54 twin turbocharger kit for BMW 135i, 335i, 535i (2007–2010). Featuring billet 11-blade compressor wheels, 9-blade 713C turbine wheels, and a 10% larger Hi-Si Mo turbine housing — this direct-fit upgrade delivers faster spool, improved airflow, and the power potential to reach 500 HP on pump gas, and up to 650 HP with proper tuning and supporting mods. Built and precision-balanced in Michigan, USA, and includes gaskets and a 1-year warranty. -
High-performance TDO4 16T twin turbo upgrade for BMW 335i and 335xi N54 engines (2007–2010). Featuring 11-blade billet compressor wheels, 9-blade 713C turbine wheels, and a 10% larger A/R Hi-Si Mo casting, this kit delivers rapid spool and boosted airflow. Built and balanced in Michigan with upgraded internals and gaskets included—500 HP on high-octane pump gas, up to 650 HP with proper supporting mods.
