Pure Turbos BMW B58 Pure800 Stage 2 Turbo Upgrade for M140i, M240i, 340i and 440i
Unlock serious power and reliability from your BMW B58 engine with the Pure Turbos Pure800 Stage 2 turbocharger. This proven B58 turbo upgrade is the go-to hybrid turbo for F-series BMW M140i, M240i, 340i and 440i owners who want rapid spool, huge top-end power and OEM-like drivability. Perfect for fast road, track and drag builds, this direct-fit, bolt-on turbocharger delivers the performance the B58 platform deserves.
We have run the Pure800 on our own B58 builds and our customers have been consistently delighted with the response, reliability and dyno-proven gains. If you are searching for BMW B58 turbo upgrade, B58 hybrid turbo, B58 big turbo, Pure800 turbo, M140i turbo upgrade, M240i turbo upgrade, 340i turbo upgrade or 440i turbo upgrade, this is the one you want.
Key Performance Highlights
- Dyno-proven 586 whp on pump fuel 98 RON with supporting mods
- 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, fuel system limited
- Up to around 700 whp with upgraded HPFP, E50 blend and methanol injection
- 734 whp on E85 with Stage 2 HPFP and full bolt-ons at 30 to 32 psi
- Approx. 542 whp at 23 psi
- Fast spool around 3200 rpm for strong midrange and top-end
These results make the Pure800 one of the most capable and reliable B58 turbo upgrades available for street and track use.
Why Choose the Pure800 B58 Hybrid Turbo
- Custom billet compressor wheel for maximum flow and efficiency
- Custom turbine wheel for strong top-end power
- Precision CNC machined housings for perfect fitment
- High-speed VSR balanced for OEM-level reliability and smooth operation
- Direct fit, bolt-on turbocharger for F-series BMW B58 engines
If you are researching B58 hybrid turbocharger, B58 Stage 2 turbo, Pure Turbos UK, B58 bolt-on turbo, BMW 3.0 turbocharger upgrade or Pure800 Stage 2, this unit ticks every box for power, drivability and long-term durability.
Vehicle Compatibility
Fits all F-series BMW 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
Trade-in Core Exchange
This is a trade-in listing. You will need to send in your non-damaged stock B58 turbocharger core for upgrade. Please send only the core. Any additional parts sent with the core may not be returned.
Cannot remove and send your turbo first? A refundable deposit option is available so we can ship an upgraded unit to you, then refund the deposit once we receive your good-condition B58 stock turbo back.
Recommended Supporting Modifications
To achieve the quoted power figures, suitable supporting mods are required. Typical setups include full bolt-ons, upgraded HPFP, appropriate fuel (98 to 99 RON, E50 or E85 where applicable) and methanol injection where noted. Professional tuning is strongly recommended.
Fitting and Installation
Professional installation is recommended for best results. For fitting, speak to Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Dyno Proof
Real-world dyno results demonstrate the Pure800’s capability on the B58 platform with rapid spool and strong top-end:
- 586 whp on pump fuel with spool from around 3200 rpm
- 630 whp on 98 RON or race fuel, fuel system limited
- Around 700 whp on E50 with meth and upgraded HPFP
Mods referenced include full bolt-ons, upgraded HPFP, E50 blend and methanol injection where applicable.
Part Number
PT-F-B58-S2
Manufacturer and Warranty
Manufactured by Pure Turbos
Includes 1 year warranty
Compatibility Check
We will verify fitment before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout to ensure the part fits your vehicle.
Search-friendly terms
BMW B58 turbo upgrade, B58 hybrid turbo, B58 big turbo, Pure Turbos Pure800 Stage 2, Pure800 B58, BMW M140i turbo upgrade, M240i turbo upgrade, 340i turbo upgrade, 440i turbo upgrade, BMW F-series turbocharger, B58 Stage 2 turbo, B58 bolt-on turbo, B58 direct fit turbo, billet compressor wheel, VSR balanced turbo, upgraded HPFP B58, E50 B58, E85 B58, methanol injection B58, full bolt-ons B58, dyno proven B58 power.