Pure Turbos B58 Pure800 (Pure 800) Stage 2 Hybrid Big Turbo Upgrade - BMW F-Series M140i M240i 340i 440i F20 F21 F22 F23 F30 F31 F32 F33 F36 - Uprated Performance Turbocharger Bolt-On | Core Exchange | PT-F-B58-S2

Pure800 Stage 2 B58 Hybrid Turbo for BMW M140i, M240i, 340i, 440i

Searching for serious straight six performance without sacrificing drivability? The Pure Turbos Pure800 Stage 2 hybrid for the B58 engine is a proven path to big power, rapid spool and OEM-like manners. It is a favourite with our customers and on our own builds for its punchy mid range and relentless top end. If you are planning a strong F-series 3.0 litre street or track setup, this unit delivers.

Part number: PT-F-B58-S2

What makes Pure800 a standout choice

• Stock-housing hybrid designed for the B58 straight six in M140i, M240i, 340i and 440i
• Fast response with huge headroom when paired with supporting hardware and quality fuel
• High Speed VSR balanced for smoothness and reliability at elevated boost pressures
• Precision CNC machined compressor and turbine sections for efficient airflow
• Ideal for full bolt-on builds, uprated HPFP, ethanol blends and methanol-assisted setups

Real-world performance data

With the right tune and fuel system, customers have recorded the following on reputable dynos:

• 586 whp on 98 RON pump fuel
• High 500s to low 600s whp on 99 RON with meth, upgraded HPFP and full bolt-ons
• 630 whp on race gas or 98 RON, limited by the fuel system
• 700 whp on E50 with meth, upgraded HPFP and full bolt-ons
• 734 whp on E85 with Stage 2 HPFP and full bolt-ons at 30 to 32 psi
• 542 whp at 23 psi

Reference point: approximately 3200 rpm spool with 586 whp on pump fuel.

Note: Output depends on calibration, fuel quality and supporting hardware including HPFP, ethanol content and methanol where used.

Engineered features that matter

• Custom billet compressor wheel for increased mass flow
• High efficiency turbine wheel optimised for sustained boost
• CNC machined housings for precise fit and finish
• High Speed VSR balancing for OEM-like refinement and longevity

Core exchange process

This upgrade is supplied on an exchange basis. Send your non-damaged original B58 turbo core for conversion. Please ship only the core unit. Any ancillary parts sent with the core may not be returned.

Cannot send your unit first? A refundable core deposit can be arranged. Contact us to set this up. The deposit is returned once your undamaged factory B58 turbo is received and inspected.

Compatibility

For BMW F-series models with the B58 engine:

• 1 Series F20 F21 M140i
• 2 Series F22 F23 M240i
• 3 Series F30 F31 340i
• 4 Series F32 F33 F36 440i

Installation

Professional fitting and calibration are strongly recommended. Book fitting with MJ Modifications in Warwickshire and get a tailored quote via info@mjmodifications.co.uk.

Compatibility check before dispatch

We verify suitability prior to shipping. Add your UK registration or the last 7 of your VIN at checkout so we can confirm the correct application.

Manufactured by

Pure Turbos

Warranty

12 month warranty.

Why buy from us

We have installed and tuned multiple Pure800 B58 setups and customer feedback has been consistently excellent for power delivery, responsiveness and reliability. If you want an F-series six that feels urgent on the road and ferocious on the dyno, this is the hybrid we recommend.

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