Pure Turbos BMW B58 Pure850 Turbo Upgrade for M140i, M240i, 340i and 440i
Looking for a serious BMW B58 turbo upgrade in the UK for your M140i, M240i, 340i or 440i? The Pure Turbos B58 Pure850 hybrid turbo is the proven Stage 2 upgrade that transforms your F-Series B58 with big, repeatable power, fast spool and OE-like drivability. Built by Pure Turbos specifically for the B58 platform and trusted worldwide, this bolt-on B58 turbocharger delivers the performance headroom enthusiasts demand while retaining factory-style fitment.
Expect around 530 whp on 98 RON pump fuel with supporting modifications, and around 600+ whp with an upgraded HPFP, E40 to E50 blend and meth injection. Spool is exceptional for the size, with around 20 psi by approximately 3200 rpm. If you are searching for BMW M140i turbo upgrade, M240i turbo upgrade, 340i turbo upgrade, 440i turbo upgrade, B58 hybrid turbo, Pure850 turbo, or B58 Stage 2 turbo in the UK, this is the one to beat.
Why choose the Pure850 B58 turbo upgrade
- High power B58 hybrid turbo with stock-location fitment
- 530 whp on 98 RON pump fuel with supporting modifications
- 600+ whp potential with upgraded HPFP, E40 fuel and meth
- Fast spool characteristics for strong mid-range and top-end
- Developed and manufactured by Pure Turbos for the BMW B58
- Ideal for track, fast road and high-performance street builds
Key features
- Custom billet compressor wheel
- Custom turbine wheel
- CNC machined components
- High speed VSR balanced
- Cast metal construction
Power and spool
- Approx. 530 whp on 98 RON pump fuel
- Approx. 600+ whp on E40 fuel with upgraded HPFP and meth
- Targets around 20 psi by about 3200 rpm
Actual results vary with tuning, fuel quality, environmental conditions and supporting modifications.
How the order and core exchange works
This listing is a trade-in/core upgrade. You send in your non-damaged stock B58 turbo core and Pure Turbos will upgrade it to the Pure850 spec. Please send only your core turbo. Any additional parts included with the shipment may not be returned.
If you cannot send your turbo first, a refundable deposit option is available so you are not off the road. Contact us to arrange the deposit and return process once your stock B58 turbo is removed.
Fitting and tuning
Professional installation and calibration are strongly recommended for the best performance and reliability. Nforcd offers expert fitting for BMW B58 turbo upgrades in Warwickshire. To request a fitting quote or to arrange a deposit/core exchange, email Sales@nforcd.com.
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
Compatibility check
We verify fitment before dispatch. Provide your UK registration number or the last 7 digits of your VIN at checkout and we will run a compatibility check.
Part number
PUR-TUR-B58-010
Manufacturer
Pure Turbos
Warranty
1 year warranty provided by the manufacturer.
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