Pure Turbos BMW B58 Pure800 Stage 2 Turbo Upgrade for M140i, M240i, 340i and 440i
Looking for the ultimate BMW B58 turbo upgrade for your F-Series M140i, M240i, 340i or 440i? The Pure Turbos B58 Pure800 Stage 2 hybrid turbo is the proven, high-performance solution for serious power, fast spool and daily-drive reliability. Manufactured by Pure Turbos and trusted by B58 enthusiasts worldwide, this Stage 2 B58 turbocharger delivers dyno-proven gains when paired with the right supporting modifications. We run these turbos on customer cars and feedback has been consistently excellent for power, drivability and reliability.
Part Number: PT-F-B58-S2
Why choose the Pure800 Stage 2 B58 turbo
- BMW B58 turbo upgrade designed for M140i, M240i, 340i, 440i
- Hybrid turbo with excellent spool, strong mid-range and huge top-end power
- Proven reliability with High Speed VSR balancing and CNC machined precision
- Perfect for FBO builds, upgraded HPFP, ethanol blends and methanol injection
- Ideal for street, track and fast road BMW B58 builds
Real-world power results
With appropriate supporting modifications and fuel, the Pure Turbos B58 Pure800 Stage 2 has delivered the following results:
- 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
Dyno reference: 586 whp on pump fuel with approximately 3200 RPM spool.
Note: Power depends on fuel quality, tuning and supporting hardware including HPFP, FBO, ethanol content and methanol injection as applicable.
Key features
- Custom billet compressor wheel for increased airflow
- Custom turbine wheel for high efficiency at elevated boost
- CNC machined housings for precise fit and finish
- High Speed VSR balanced for OEM-level smoothness and reliability
Core exchange and upgrade process
This is a trade-in listing. You will need to send in your non-damaged stock B58 turbo core for upgrade. Please send only the core turbo. Any additional parts included with the core may not be returned.
Cannot send your turbo first? A refundable core deposit option is available. Contact us to arrange the deposit and we will refund it once your non-damaged B58 stock turbo is received.
Vehicle compatibility
Fits all BMW F-Series 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
Fitting and installation
Professional installation is strongly recommended for best results. Nforcd offers fitting at our Warwickshire facility and can supply a tailored quote. For availability and pricing email Sales@nforcd.com.
Compatibility check
To ensure the correct part for your BMW B58, we run a compatibility check prior to dispatch. Provide your UK registration number or the last 7 digits of your VIN at checkout.
Manufactured by
Pure Turbos
Warranty
1 year warranty.
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