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.
BMW N54 Twin Turbo Upgrade – Fits 2007–2010 335i & 335xi
$1,895.00
Description
BMW N54 335i / 335xi TDO4 16T Twin Turbo Upgrade – Up to 650 HP
Unleash the true potential of your BMW N54 with our new performance twin turbo upgrade. Designed for the 2007–2010 BMW 335i and 335xi, these turbos combine lightning-fast spool with the airflow needed to support serious horsepower. Built and precision-balanced in Michigan, every set is engineered for both street reliability and track-ready performance.
Performance Features
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Billet 11-Blade Compressor Wheels – Lightweight, high-flow design for faster spool and more power.
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TDO4 9-Blade 713C Turbine Wheels – Heat-resistant Inconel construction for durability under extreme conditions.
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10% Larger A/R Hi-Si Mo Turbine Casting – Improves exhaust flow and efficiency.
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Upgraded Thrust Bearing & Internals – Increases load capacity and extends lifespan.
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Upgraded Wastegate Flapper & New Actuators – Improves boost control and eliminates common rattle issues.
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Install Gaskets Included – Ready for bolt-on installation.
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Built in Michigan, USA – Precision assembly and quality control.
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1-Year Warranty – Confidence in every set.
Power Potential
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500 HP on high-octane pump gas with proper tuning.
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Up to 650 HP with the right supporting modifications (fueling, intercooler, exhaust, intake, and tune).
Fitment
Application: 2007–2010 BMW N54 Twin Turbo Models
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BMW 335i
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BMW 335xi
This upgrade offers the perfect balance between fast spool and top-end power, making it ideal for drivers who want a daily-drivable setup that can still dominate at the track.
FAQ
Q: Will these turbos fit my BMW?
A: Yes. These are a direct-fit upgrade for 2007–2010 BMW 335i and 335xi models equipped with the N54 twin-turbo engine.
Q: How much horsepower can I make with this setup?
A: With high-octane pump gas and proper tuning, these turbos can produce around 500 HP. With the right supporting mods (upgraded fueling, intercooler, exhaust, intake, and tune), they’re capable of up to 650 HP.
Q: Do I need tuning for these turbos?
A: Yes. While they physically bolt on without custom fabrication, a performance ECU tune is required to maximize performance and ensure safe operation.
