Pure Turbos BMW N55 Stage 2 Hybrid Turbo Upgrade (F-Series M2, M135i, M235i, 335i, 435i) Direct-Fit OEM Housing, PWG/EWG, 500+ whp Capable

Stage 2 Hybrid Turbocharger for BMW N55 F-Series — stock-location, bolt-on power for M2, M135i, M235i, 335i and 435i

Unlock serious, reliable performance from your N55 with this Pure Turbos Stage 2 hybrid unit. It slots straight into the original casings for a true stock-location, hassle-free fit, delivers razor-sharp spool and pulls hard to the redline. With the right tune and hardware, it has proven to support over 500 wheel horsepower while retaining everyday drivability. Perfect for fast road builds, track enthusiasts and anyone chasing big gains without compromising OEM-like manners.

We run this turbo on our own projects and countless customer cars. Feedback is consistently the same: instant response, muscular mid-range and relentless top-end. If you are searching for a high-flow N55 turbocharger, big turbo solution for BMW 1 Series, 2 Series, 3 Series or 4 Series, or a stock-frame upgrade for the F87 M2, this is the proven route.

Why it works

• Capable of 500+ wheel horsepower with suitable fuelling, cooling and ECU calibration
• Bolt-on, stock-frame layout using the original BMW turbine and compressor housings for a stealth look
• Rapid boost response with strong breathing up top for everyday use and motorsport
• VSR balanced for smoothness and long-term durability
• Ideal step-up for tuned N55 builds targeting 430 to 500+ whp

Engineering highlights

• Point-milled billet compressor wheel for improved airflow and efficiency
• High-flow turbine wheel to reduce backpressure
• Dual oil seals on both compressor and turbine sides
• Upgraded 360-degree thrust bearing
• Precision-machined turbofold and internal revisions for flow
• VSR balancing for OE-level refinement
• Original housings retained for a clean, factory-style installation

Real-world results

F Series BMW N55, pump fuel 93 octane or 99 RON: expect around 430 to 450 whp with an uprated intercooler, downpipe, charge pipe and a quality custom calibration. For 450+ whp you will also require an upgraded high-pressure fuel pump.

E Series BMW N55, pump fuel 93 octane or 99 RON: typical outcomes are 430 to 480 whp with an uprated intercooler, downpipe, charge pipe, LPFP and bespoke tuning.

Dyno-proven figures

• 435i — 536 whp
• 335i — 523 whp
• 135i — 520 whp

Vehicle compatibility — BMW F Series with N55

• 1 Series F20 F21 — M135i
• 2 Series F22 F23 — M235i
• 3 Series F30 F31 — 335i
• 4 Series F32 F33 F36 — 435i
• M Series F87 — M2

Actuator type and fitting kits

Available for both wastegate styles. Use the correct Genuine BMW fitting kit for your vehicle:

• Pneumatic actuator (PWG) — BMW turbo installation kit required
• Electronic actuator (EWG) — BMW turbo installation kit required

How to identify your actuator:

Recommended supporting parts

• Front mount intercooler
• Sports or decat downpipe
• Reinforced charge pipe
• LPFP and HPFP upgrades as power targets increase
• Custom ECU calibration
• For F Series, the Pure Turbos High Flow Inlet Pipe for N55 is strongly advised
• Optional: uprated diverter valve

Core exchange and deposit

Supplied on an exchange basis. Send in your original turbocharger to be upgraded. Only the core is required. If you cannot send your unit first, a refundable deposit is available for a pre-built turbo:

• EWG deposit: £575
• PWG deposit: £375

Deposits are refunded after inspection when a non-damaged core is received. Availability of pre-built units varies, so please contact us before ordering if you require the deposit option.

Professional fitting

Direct bolt-on when paired with the correct BMW install kit for your actuator type. For a stress-free experience, book fitting with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.

Installation videos

Part 1

Part 2

Part 3

Compatibility check before dispatch

We verify fitment prior to shipping. Add your UK registration or last 7 characters of your VIN at checkout and we will confirm actuator style and compatibility.

Brand

Pure Turbos

Warranty

1 year warranty.

Part number

PT-F-N55-S2

Search terms to help you find the right product

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