The Turbo Engineers


SKU TTE10076 Stock Order
Available for stock order from The Turbo Engineers.
Delivery ETA information.
£5,573.14 €6,465.40 $6,835.46 inc. VAT
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One Version

Custom shipping prices available upon request.

20% UK VAT is removed at checkout for all EU & Rest of World countries once destination country is selected.

Delivery Information



Welcome to our TTE740+ upgrade turbocharger stage with oversize inlets included. Based on the original Mitsubishi bi-turbo system for the S55 B30 HAS BMW engine for plug & Play fitting.

Quite possibly the best-performing complete hybrid turbocharger stage available. 


Precisely balancing our turbochargers is a key critical factor to become a TTE upgrade unit as longevity and performance are paramount. Good balance improves acoustics also. Subsequent great care is taken with all TTE turbochargers to achieving our balance standards. Firstly parts are balanced at slow speeds up to 2800RPM in multiple planes using our single parts machine, then components are assembled and then the CHRA are dynamically balanced, but this time depending on application at up to 250,000 RPM in multiple planes using our in house VSR machine to acquire the ultimate equilibrium, to a standard far higher than OEM. Each turbocharger is supplied with a serial numbered balance test result document.

Product Highlights:

  • Original turbochargers as base part
  • Original actuators
  • Very early response
  • TTE Billet Milled compressor 7+7 BLADE 50.5mm inlet
  • TTE High-Flow Turbine 9 blade turbine
  • TTE CNC milled intake pipe & plastic oversize intake included
  • O-ring sealing Intakes
  • TTE Reinforced axial and radial bearing
  • Plug & Play installation
  • 740+ PS Proven on 102ron
  • Proven TheTurboEngineers quality
  • Single parts finely balanced then components assembled and core high-speed VSR balanced
  • Supplied with a balance test result document
  • Made in Germany
  • Price shown is for a PAIR of turbochargers 

 Please check out our TTE HEAT SHIELD ISOLATION ADD-ON option that’s available.  

Please as part of the upgrade process we provide larger turbo inlets. 

1 is a CNC alloy billet turbo inlet and for the other, we modify the plastic original turbo feed on one of the turbos. You must send this plastic inlet with your turbochargers if selected to upgrade your own turbochargers!

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BMW M4 result at HC Performance 

Check that fast spool & torque holding



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Important Upgrade Turbocharger Information - Sending Your Turbocharger

After you have ordered the upgrade from the online store by selecting ‘Upgrade Your Turbocharger” option in the drop down box on the product page please download the ‘Upgrade Turbocharger Form’ at the bottom of the product page. Visit this Link




If sending turbocharger/s for an upgrade please ensure you print, read and complete this FORM. Place form inside the package with turbocharger/s.


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