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TTE BMW N55 Turbocharger Upgrade TTE550 Electronic Wastegate (M2, M135i, M235i, 335i & 435i)
BMW TTE550 begins as a brand new standard N55 turbocharger that we dismantle and then set about upgrading and optimising to create our upgrade turbocharger.
BMW TTE550 Turbocharger offer great power and spool for the range of N55 vehicles with Electronic Wastegate, manufactured after July 2013 such as the BMW M2, M135i, M235i, 335i & 435i. Capable of 550bhp+ with the correct supporting modifications and custom tuning.
Picture is for illustration only, the actual product may differ from the images.
Engineered & Enhanced
The formula to making a TTE550 starts with a much larger TTE billet compressor wheel, chosen because is highly efficient, new generation type with very thin blades, creating extremely high flow for comparative size, giving a compressor map that's very wide. The Re-Profiled compressor cover is machined to a optimised tolerance to ensure maximum compressor efficiency. Also the intake pipe is larger and ported to give a smooth transition for the incoming air flow.
A key part to driving the large TTE compressor and in turn making this unit produce the power advantage over stock is fitting a larger 9 blade last Gen. turbine and shaft. This turbine gives lower back pressure and keeps EGT lower compared to stock turbine.
The Larger 9 blade last Gen. Turbine increase gas flow and so reducing back pressure and lowering exhaust gas temperatures, allowing safer higher boost level's. This process also gives a secondary advantage of removing some material, lightening the turbine thus reducing rotational mass improving moment of inertia.
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 is 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 serial numbered balance test result document.
- Genuine Housings & Components
- Highly Efficient Next Gen Billet Compressor Geometry
- Optimised Compressor Cover Machining Clearances
- Latest Last Gen Larger 9 blade Turbine
- Genuine actuator
- Genuine diverter valve
- Dynamically VSR Balanced & Supplied with test result documents
- Fitment As Original. Plug & Play
- 550+ BHP
- TTE Billet Larger Compressor Wheel
- TTE High-Flow Bigger Turbine (Unlike others that retains stock turbine)
- Motorsport Bearing Pack
- Designed, Machined & Built by TTE in Germany
Upgrade your Existing Turbo
To upgrade your existing turbo, you will need to send us your non-damaged turbo. The listing price is the cost of upgrading a non-damaged turbo only. If your turbo is damaged, there may be extra cost on top of the listing price, we will provide you with a quote after inspection. All turbo will be closely inspected before the upgrade is carried out. You will also receive a report from our engineer after the upgrade is completed.
TheTurboEngineers GmbH based in German is a dynamic and highly innovative turbocharger engineering company, specialised in production of motorsport turbochargers to the highest quality and greatest efficiency with attention to detail. Every component is optimised on long term reliability.
TTE are focused on the construction of prototypes from a concept, through to completion with all work mostly being done in-house to TTE's extremely high standards in Germany. TTE is a fine example of German engineering at its best.
Small details are important to TTE, as is the conversion of existing OE turbochargers to new upgrade specifications, be it new or from a supplied used turbocharger.
TheTurboEngineers GmbH consults and provides to race teams and many well known tuning houses, looking for the best engineered performance turbochargers available.
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
All BMW F chassis with the N55 turbocharged engines, manufactured after July 2013 equipped with the Electronic Wastegate.
BMW M Series F87 M2 (July 2013+)
BMW 1 Series F20/F21 M135i (July 2013+)
BMW 2 Series F22/F23 M235i (July 2013+)
BMW 3 Series F30/F31 335i (July 2013+)
BMW 4 Series F32/F33/F36 435i (July 2013+)
To upgrade your existing turbo, the estimated delivery time is around 3-4 weeks after receiving your existing turbo.
Our new turbos are made to order, the estimated delivery time is also 3-4 weeks after receiving your order.
One year TTE warranty.
SW10074.1 (New Turbocharger, Electronic Actuator)
TTE10074 (New Turbocharger, Pneumatic Actuator)
SW10074.3 (Upgraded Turbocharger, Electronic Actuator)
SW10074.2 (Upgraded Turbocharger, Pneumatic Actuator)
Next Day UK Delivery
Get FREE Guaranteed next day UK delivery for orders over £99 (exc. VAT) on all in stock items. Same day dispatch available if your order is placed before 11:00 GMT on all in stock items!
We ship worldwide via DHL International, simply enter your full address at checkout to see the shipping option(s) and quote(s). Same day dispatch available if your order is placed before 11:00 GMT on all in stock items!