Pure Turbos BMW N55 Stage 2 Turbocharger Upgrade for E82 E88 135i and E90 E91 E92 E93 335i
Transform your BMW N55 with the Pure Turbos Stage 2 turbo upgrade. This direct-fit, stock-appearing turbocharger is engineered to deliver serious performance on the E-Series N55 platform while retaining OEM housings for a clean, factory look. If you’re searching for a high-performance BMW N55 turbo upgrade for your 135i or 335i that offers rapid spool, big power potential and daily drivability, this is the benchmark choice.
We’ve used and supplied this kit to many happy Nforcd customers, and it continues to impress with strong, repeatable power and reliability when paired with the correct supporting mods and a quality custom tune.
Why choose Pure Turbos Stage 2 for N55
- Engineered to reach 500+ whp potential with the right supporting modifications and calibration
- Uses all OEM housings for a stealth, stock-appearing installation
- Not a TD05 CHRA swap - a true, purpose-built Stage 2 N55 solution
- Fast spool and strong midrange for street, track and drag use
Key features
- Upgraded point-milled billet compressor wheel
- Upgraded HiFlow turbine wheel
- Dual compressor oil seals and dual turbine oil seals
- Large diameter 360-degree thrust bearing upgrade
- Extensive turbofold modifications and precision machining
- VSR balanced for smooth operation and longevity
Real-world performance
Typical figures on E-Series BMW N55 (2011–2013) with 93 octane / 99 RON pump fuel and supporting hardware can range around 430–480 whp with an efficient intercooler, high-flow downpipe, upgraded chargepipe, suitable LPFP and a proper custom tune. Independent customer builds have recorded up to 520–523 whp on 135i and 335i setups with the right configuration.
Recommended supporting mods
- Front-mount intercooler
- High-flow or decat downpipe
- Aluminium chargepipe with quality valve solution
- Low pressure fuel pump upgrade (LPFP) where required
- Custom ECU tuning by a reputable BMW N55 specialist
- Highly recommended: Pure Turbos BMW E-Series PURE High Flow Inlet Pipe (N55)
Fitment and compatibility
Fits all E-Series BMW with N55 engine, including:
- E82 E88 135i
- E90 E91 E92 E93 335i
Compatibility check: to ensure perfect fitment before dispatch, we can verify using your UK registration or the last 7 digits of your VIN. Add your vehicle details at checkout.
Exchange basis and core return
This product is supplied on an exchange basis. You will need to send your core turbo to us for upgrade. Please send only the core assembly. Any additional parts sent with the core may not be returned.
Can’t send your turbo first because the car is your daily? No problem. Pay a £375 deposit (PWG) and we will send an upgraded unit from our stock, then refund the deposit after your non-damaged core passes inspection. Subject to availability, so please contact us to confirm we have a set ready to ship.
Installation and tuning
Professional installation and calibration are strongly recommended for best results and reliability. For fitting, choose Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Warranty
1 year warranty from Pure Turbos.
Part number
PT-E-N55-S2
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