BMW N55 Pure Turbos Stage 2 Turbo Upgrade

Upgrade your BMW N55 with the Pure Turbos Stage 2 Turbo Upgrade — a high-performance OEM housing turbo upgrade designed for strong street, track and performance builds.

Built using the factory OEM turbocharger housing as the base, the Pure Stage 2 is designed to deliver increased airflow and serious performance potential while retaining factory-style fitment for compatible BMW N55 applications.

Designed for the BMW N55

The BMW N55 3.0L single-turbo inline-six is one of BMW’s most popular turbocharged performance engines, known for strong response, smooth power delivery and excellent tuning potential.

The Pure Stage 2 turbo upgrade is designed for owners wanting a proven OEM housing turbo solution with more power potential than the factory turbocharger can support.

With an upgraded billet compressor wheel, high-flow turbine wheel, upgraded CHRA and VSR high-speed balancing, the Pure Stage 2 is built to support stronger airflow, improved top-end performance and reliable operation when paired with the correct supporting modifications and custom ECU calibration.

550+ WHP Capable

Pure Turbos rates the Stage 2 N55 upgrade as capable of supporting 550+ WHP, with final results depending on fuel type, supporting modifications, tuning strategy and overall vehicle condition.

As with any upgraded turbo setup, performance output will vary between vehicles. Correct fuel system, cooling, exhaust, intake, engine health and ECU calibration are all important for achieving safe and reliable results.

Core Exchange Required

This Pure Stage 2 upgrade is an exchange turbo product. Pure Turbos uses factory N55 turbocharger housings as the base for this upgrade, meaning a standard undamaged core must be supplied or a refundable core deposit will apply.

Pure lists the core deposit options as:

• Send your turbo in first to be upgraded
• Refundable core deposit for PWG applications
• Refundable core deposit for EWG applications

The correct option must be selected before ordering.

Key Features

• Pure Turbos Stage 2 turbo upgrade
• Suits BMW N55 3.0L single-turbo engine
• OEM turbo upgrade
• Core exchange required
• 550+ WHP capable with correct supporting mods and fuel
• Upgraded billet compressor wheel
• High-flow turbine wheel
• Upgraded CHRA
• VSR high-speed balanced
• Retains OEM housings for factory-style fitment
• Available for PWG and EWG applications
• Optional PureTurbos Hi-Flow silicone inlet pipe kit
• Optional DV/BOV upgrade options
• Custom ECU calibration required
• Professional installation required

Fitment

Vehicle: BMW 135i / 135is
Chassis: E82 / E88
Year Range: 2011-2013
Engine: N55 3.0L Turbo I6

Vehicle: BMW 335i / 335i xDrive / 335i GT
Chassis: E90 / E92 / E93 / F30 / F34
Year Range: 2010-2015
Engine: N55 3.0L Turbo I6

Vehicle: BMW 435i / 435i xDrive
Chassis: F32 / F33 / F36
Year Range: 2014-2016
Engine: N55 3.0L Turbo I6

Vehicle: BMW 535i / 535i GT
Chassis: F10 / F07
Year Range: 2011-2016
Engine: N55 3.0L Turbo I6

Vehicle: BMW 640i / 640i Gran Coupe
Chassis: F12 / F13 / F06
Year Range: 2012-2018
Engine: N55 3.0L Turbo I6

Vehicle: BMW 740i / 740Li
Chassis: F01 / F02
Year Range: 2013-2015
Engine: N55 3.0L Turbo I6

Vehicle: BMW M235i
Chassis: F22 / F23
Year Range: 2014-2016
Engine: N55 3.0L Turbo I6

Vehicle: BMW M2
Chassis: F87
Year Range: 2016-2018
Engine: N55 3.0L Turbo I6

Vehicle: BMW X1 xDrive35i
Chassis: E84
Year Range: 2013-2015
Engine: N55 3.0L Turbo I6

Vehicle: BMW X3 / X4 xDrive35i & M40i
Chassis: F25 / F26
Year Range: 2011-2017
Engine: N55 3.0L Turbo I6

Vehicle: BMW X5 / X6 xDrive35i
Chassis: E70 / F15 / F16
Year Range: 2011-2018
Engine: N55 3.0L Turbo I6

Final fitment must be confirmed before ordering using the vehicle year, model, chassis, engine, VIN and wastegate type.

PWG vs EWG

BMW N55 vehicles may use either a pneumatic wastegate or electronic wastegate turbocharger setup depending on year, chassis and model.

Please confirm whether the vehicle is PWG or EWG before ordering, as the correct turbo variant and core deposit option must be selected.

Optional Inlet Kit

PureTurbos offers optional Hi-Flow silicone inlet pipe kits for selected N55 applications.

Options may include:

• No inlet kit, use OEM inlet
• F-Series inlet kit for M235i / 335i / 435i / M2
• E-Series inlet kit for 135i / 335i / 335is

Final compatibility must be confirmed before selecting the inlet kit option.

Optional DV/BOV Upgrades

Depending on the vehicle, optional diverter valve or blow off valve upgrades may be available.

Options may include:

• Use factory DV
• Go Fast Bits DV+ Diverter Valve
• TurboSmart VR9 BOV
• TurboSmart VR11 BOV for M2 applications

Final compatibility must be confirmed before selecting any DV/BOV option.

Supporting Modifications

To get the best result from the Pure Stage 2 upgrade, supporting modifications are required.

Recommended supporting modifications may include:

• Custom ECU calibration
• Upgraded intake system
• Upgraded downpipe
• Upgraded charge pipe
• Upgraded intercooler or charge cooling
• Fuel system upgrades depending on fuel and power target
• Spark plugs suited to the power level
• Healthy ignition system
• Correct engine servicing before installation

Final supporting modification requirements will depend on the vehicle, wastegate type, fuel type, power goal and tuner recommendation.

Core Exchange

If your turbo is still on the car and you cannot remove it and send it to us prior, you can pay a deposit which will be returned to you once Pure Turbos have received and inspected your standard undamaged turbo.

Euroflow will manage the return of the turbo back to Pure Turbos in the US. We must receive the core back to Euroflow in Perth within 30 days of receiving the item or there will be a 17.5% reduction in your refund.

To avoid any potential damage in transit, please use the packaging and boxes that you received. It will be handy to keep all packaging from the new turbo. Please note exactly how you received your new Pure Turbo, including actuator, lines, fittings, accessories, etc. and return exactly what we have sent you.

Installation Notes

• Custom ECU calibration is required.
• Core exchange is required.
• Professional installation is required.
• Confirm PWG or EWG before ordering.
• Fresh oil and oil filter are recommended during installation.
• Oil feed and drain lines should be checked and cleaned or replaced where required.
• Intake system, intercooler/charge system and exhaust system should be inspected before installation.
• All clamps, fittings, lines and connections must be checked before startup.
• Vehicle should be inspected, logged and tested after installation before hard use.

Important Notes

• This is a high-performance turbo upgrade.
• Not a complete power package.
• Supporting modifications are required.
• Custom tuning is required.
• Final power output will vary depending on fuel, supporting modifications, tuning and vehicle condition.
• Core exchange is required.
• Core deposit may apply if the standard turbo is not supplied upfront.
• Correct PWG or EWG variant must be selected before ordering.
• Motorsport/off-road use only where required by local laws.
• Professional installation is required.
• Final compatibility must be confirmed before ordering.
• Product images may be generic and used for illustration purposes only.
• Available through Euroflow.

Why Choose Pure Turbos?

Pure Turbos is one of the most recognised names in modern BMW turbocharger upgrades, with proven options for street, track and high-performance builds.

The Stage 2 N55 upgrade is a strong choice for owners wanting a proven OEM housing turbo upgrade with serious power potential and factory-style fitment.

Why Choose Euroflow?

Euroflow supplies premium performance upgrades for European vehicles, with a focus on trusted brands, correct fitment and high-end product support.

For BMW N55 owners chasing a proven turbo upgrade for their 135i, 335i, 435i, 535i, 640i, 740i, M235i, M2 or X-series model, Euroflow can assist with correct product selection and core exchange requirements