TTE680 N54 Hybrid Twin Turbos Upgrade Kit - BMW 135i 335i 1 Series 3 Series 3.0 N54B30 (E82 E88 E90 E92) - Stage 3 Bolt-On Performance Turbochargers 680PS - High-Flow Fast Spool - Direct Fit 2" Inlets - Twin Turbo Replacement - TheTurboEngineers

TTE680 Hybrid Twin Turbos for BMW 135i and 335i

Unlock serious power and razor-sharp response from your straight-six twin-turbo BMW with the TTE680 set. Precision engineered in Germany by TheTurboEngineers, these hybrids deliver huge airflow and rapid spool for epic road and track performance while retaining factory-like drivability. Expect effortless midrange punch, strong top-end and the reliability you need for fast road, mapping sessions and weekend abuse.

If you are searching for BMW 135i turbo upgrade, BMW 335i hybrid turbos, bolt-on twin turbos, Stage 3 N54 alternatives, high-flow compressor wheel setup or performance turbochargers for the 3.0 twin-turbo petrol engine, this is the go-to choice. We run these on customer cars at MJ Modifications and the feedback is consistently excellent for power delivery, response and durability.

Why enthusiasts choose TTE680

• CNC billet compressor aero for maximum efficiency and flow without excessive lag.
• 9-blade turbine wheels designed for strong top-end and fast transient response.
• Reinforced bearing system for high boost stability and long service life.
• Genuine actuator included for consistent boost control.
• Genuine diverter valve for reliable recirculation under high load.
• Strengthened wastegate hardware including upgraded arm, flapper and bushing to combat rattle and improve control.
• Direct-fit installation with OE-style connections. Plug and play with the requirement for 2 inch intake pipes.
• Up to 680 PS capability when matched with the right supporting hardware and calibration.
• Component and core balancing including high-speed VSR with a supplied balance certificate.
• German-built quality backed by TheTurboEngineers reputation.

Fitment

Designed for BMW 135i and 335i models using the twin-turbo 3.0 petrol straight-six. Direct bolt-on to factory locations with 2 inch inlets required.

What you get

• Pair of TTE680 hybrid turbos with billet compressor geometry and 9-blade turbines
• Upgraded bearing pack
• Genuine actuator and genuine diverter valve
• Upgraded wastegate arm, flapper and bushing
• Balance test documentation

Real-world results

Customers love the blend of fast spool, strong midrange and big top-end power. Daily-drive friendly manners with the headroom for serious numbers once supporting mods and tuning are in place.

Installation and support

Want it fitted right the first time? Book professional installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote, parts advice and tuning guidance.

Part number: TTE680

Keywords: BMW 135i turbo upgrade, BMW 335i turbo upgrade, twin turbo replacement, hybrid turbos N54, performance turbos for 1 Series and 3 Series, bolt-on turbo kit, high-flow compressor wheel, wastegate rattle fix, VSR balanced, German engineered turbochargers.