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FJ Motorwerkes

Bmw M3 G80 G81 M4 G82 G83 FJM850 – Stage 3 Pump Fuel Package (Add On Options)

Bmw M3 G80 G81 M4 G82 G83 FJM850 – Stage 3 Pump Fuel Package (Add On Options)

Regular price £9,299.00 GBP
Regular price Sale price £9,299.00 GBP
Sale Sold out
Shipping calculated at checkout.

 FJM850 – Stage 3 Pump Fuel Package

BMW M3 (G80/G81) & M4 (G82/G83)

Drive-In, Drive-Out Build – 850BHP-Class

💥 Unleash the Ultimate Road-Legal Weapon – No Ethanol, No Limits

The FJM850 is the definitive Stage 3 setup for drivers who demand maximum power without the hassle of ethanol or stress on stock turbos. Built to run on Shell V-Power or Tesco 99, this custom-calibrated package delivers relentless performance, drivability, and reliability, all in one seamless install.

Whether for the street, strip, or autobahn, this is the go-to setup for serious enthusiasts with simply visits at fuel pump.

🧰 Included Hardware & Software:

  • CTS Stage 2+ Hybrid Turbos (No Exchange Required)
  • FJM Heat Shielded Air Intakes
  • Upgraded High-Flow Turbo Inlets
  • Decat Downpipes
  • Single Midpipe
  • XHP Stage 3 Gearbox Calibration
  • Bootmod3 License
  • Custom Stage 3 Pump Fuel Tune (UTKO)
  • Data logged and Road mapped
  • Femto ECU Unlock (If Required)
  • Full Installation of hardware
  • Setup and Testing

✅ Drive-in, drive-out service, no surprises, no guesswork. This is a complete engine build package, not a half-service like many competitors offer to lure you in, then they call you to tell you extra charges, NO. We believe in transparency and delivering a fully comprehensive solution from start to finish, no hidden extras, no cut corners. From forged internals to OEM seals, machine work, fluids, and full assembly, everything is included to ensure your S58 engine is 1000HP capable and built to last. You hand us the car, we hand you back a fully built, ready-to-run engine with total peace of mind.

📊 Performance Figures (Vehicle & Condition Dependent):

  • 0–60 mph: 2.5 – 2.7 seconds
  • 100–200 km/h: 5.1 – 5.3 seconds
  • ¼ Mile: 9.9 – 10.2 seconds

Figures recorded with Dragy on V-Power. Results may vary depending on tyres, weight, and conditions.

 🔧 Optional Engine Build – FJM1000 £7100

Looking to future-proof your setup? Our in-house engine build option is available to support 1000+ HP with confidence:

  • Forged Drop-In Rods
  • Upgraded Rod & Main Bearings (OEM BMW)
  • ARP Head Studs (625+ available)
  • OEM Head Gasket & One-Time-Use Seal Kit
  • Light Head Skim
  • Fluids: Engine Oil, Filter, BMW Coolant
  • Full Assembly & Labour Included

🔄 Optional : Fuel Flex Kit Supply & Fit £750

Upgrade to support E30 ethanol blends for added performance — expect up to 80/100BHP, shaving even more time off 100–200 and quarter mile runs.

🌪️  Optional: We can also offer 2 maps high boost & Low boost - £400

  • Daily driving map 650bhp
  • High boost map - Max boost

Times & Figures;

  • Estimated 100–200 km/h: 4.5 – 4.9 seconds
  • Estimate Quarter mile: 9’s High

 ✅ Why Choose the FJM850 Package?

  • ✔ Stress-Free, Fully Engineered Setup
  • ✔ No Ethanol,
  • ✔️ No Turbo Exchanges
  • ✔ Fully Installed, Calibrated, Ready to Drive
  • ✔ Expert Custom Tuning via UTKO
  • ✔ Transparent Process with Full Setup Explained at Collection

 

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