
BMW N55 F20 F22 F30 F32 Complete Fueling Solution by BMP - M135i, M235i, 335i, 435i, 640i - E85 Ready
The BMP BMW N55 Complete Fueling Solution is the ultimate BMW N55 fuel system upgrade for F-series cars. Perfect for M135i, M235i, 335i, 435i and 640i owners looking for a proven, reliable and fully integrated multi-port injection and low pressure fuel system upgrade. This complete kit supports 750+ whp on full E85 and integrates like OEM. 100 percent E85 compliant. No drama. Just proven power.
If you are searching for BMW N55 port injection kit, N55 LPFP upgrade, N55 E85 fueling kit, M135i fuel pump upgrade, M235i port injection, 335i fuel system, 435i fueling kit or 640i fuel pump upgrade, this is the comprehensive solution trusted by enthusiasts and tuners. We have used this setup on our own builds and our customers have been delighted with the results, drivability and reliability.
Why choose this N55 fueling solution
- Complete N55 fueling kit for F-series models with seamless OEM-style integration
- Supports serious power on petrol or E85 thanks to multi-port injection and high performance LPFP
- Genuine, flow-matched Bosch Motorsport injectors with certificates for precise tuning
- High quality AN6 fuel lines and CNC machined 6061 aluminium fittings for leak-free performance
- Optional ethanol content setup and controller options for flexible tuning strategies
Port Injection - add safe, calibrated fuel where you need it
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Stock manifold plate design
- Includes new genuine Bosch Motorsport injectors, flow matched both static and dynamic by an independent lab to industry-leading standards. Each set includes a detailed certificate of conformance and genuine Bosch product certificate for straightforward calibration.
- Standard fitment is 750 cc injectors at 43.5 psi. At 72 psi these injectors flow approximately 1000 cc, allowing support from around 400 whp to as high as 1000 whp with the right setup.
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Performance manifold in stock location
- The BMP N55 Performance Intake Manifold retains the stock location for straightforward fitment while improving airflow and adding direct port injection capability.
- Pre-ported for direct port meth or direct port nitrous should your build require it.
- Supplied with new 750 cc genuine Bosch Motorsport injectors, flow matched with full documentation for optimal tuning confidence.
Supplemental injector controller - precise fuel control under boost
- Split Second AIC1-6 laptop-programmable additional injector controller. Configure with Split Second R4 software to control six high impedance injectors across vacuum and high boost regions.
- Ideal for turbocharged applications where the factory ECU maintains tight control in vacuum and the AIC1-6 provides the extra fuel demanded in boost for safe air fuel ratios.
Low Pressure Fuel Pump options - proven Walbro performance
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Stage 3
- Hybrid bucketed and bucketless configuration with a primary in-bucket Walbro 450 and a secondary external Walbro 450.
- Supports up to 850 whp and is rated at 800 whp on 100 percent E85.
- Drop-in ready with included wiring and Hobbs switch. No cutting. No splicing. Simple, reliable fitment.
- Pump part numbers: Walbro F90000274 primary and Walbro F90000274 secondary.
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Stage 3.5
- Hybrid bucketed and bucketless configuration with a primary in-bucket Walbro 450 and a higher flowing external Walbro 525.
- Supports up to 950 whp and is rated at 875 whp on 100 percent E85.
- Drop-in ready with included wiring and Hobbs switch for clean, dependable activation under boost.
- Pump part numbers: Walbro F90000274 primary and Walbro F90000285 secondary.
Fuel lines and fittings - E85 compliant and leak free
- AN6 fuel line upgrade with Aeroquip AN6 Socketless hose used in high-end E85 builds worldwide.
- All connections designed in-house and CNC machined from 6061 aluminium, then anodised for 100 percent E85 compliance.
- Female fittings feature dual seals for a zero-leak connection to the HPFP.
- Optional pre-assembled connections are available to add a Continental Flex Fuel Sensor for ethanol content analysis. Sensor placement locates under the driver footwell area beneath the car.
What is included
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Port Injection
- Stock manifold plate design
- Performance manifold in stock location
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Supplemental Injector Controller
- Split Second AIC1-V6H EV6
- Re|Flex controller option
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Fuel Pump
- Stage 3 bucketed fuel pump
- Stage 3.5 bucketed fuel pump
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Fuel Lines
- AN6 fuel line upgrade with fittings
Add-on fueling options
- Pack of 6 Genuine Bosch Motorsport injectors
- Flow matched to the highest standards with certificates included
- Full stainless wetted internals for corrosion resistance
- Individually serialised with full injector flow and resistance report
- Approximate flow: 750 cc at 3 bar, 900 cc at 4 bar, 1050 cc at 5 bar
- Performance fuel line kit
- Aeroquip AN6 Socketless hose
- CNC machined 6061 aluminium fittings
- Anodised to withstand all fuel types including E85
- Dual-seal female fitting for a zero-leak HPFP connection
Compatibility - BMW N55 F-series
Compatible with BMW 1 Series F20 and F21 M135i, BMW 2 Series F22 and F23 228i and M235i, BMW 3 Series F30 and F31 328i and 335i, BMW 4 Series F32, F33 and F36 428i and 435i, and BMW 640i models using the N55 engine. Includes xDrive models.
- F20 M135i
- F21 M135i
- F20 LCI M135i
- F21 LCI M135i
- F22 228i and M235i
- F22 LCI 228i and M235i
- F23 228i and M235i
- F23 LCI 228i and M235i
- F30 328i and 335i
- F30 LCI 328i and 335i
- F31 328i and 335i
- F31 LCI 328i and 335i
- F32 428i and 435i
- F32 LCI 428i and 435i
- F33 428i and 435i
- F33 LCI 428i and 435i
- F36 Gran Coupé 428i and 435i
- F36 Gran Coupé LCI 428i and 435i
Fitting and support
Professional fitting is recommended. Nforcd offers expert fitting in Warwickshire. To request a quote, contact Sales@nforcd.com.
Compatibility check before dispatch
To ensure the correct fitment for your BMW, we will run a compatibility check prior to dispatch. Provide your UK registration number or the last 7 digits of your VIN at checkout.
Manufactured by
Precision Raceworks
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