FJM900 – Stage 3 Flex Fuel Package
BMW M3 (G80/G81) & M4 (G82/G83)
Drive-In, Drive-Out Build – 900BHP-Class on E30
💥 Unleash the Ultimate Road-Legal Weapon – Flex Fuel, Maximum Power
The FJM900 Flex Fuel is our flagship Stage 3 setup for the BMW S58 platform. Optimised for an E30 ethanol blend (Shell V-Power + Ethanol mix), it delivers savage performance while maintaining OEM-level drivability, reliability, and daily usability.
With live ethanol content display integrated into your speedo and seamless automatic fuel adjustment, running flex fuel has never been easier.
Whether your aim is the street, strip, or autobahn, this is the go-to setup for serious enthusiasts who demand the very best.
🧰 Included Hardware & Software
- CTS Stage 2+ Hybrid Turbos (No Exchange Required)
- FJM Heat Shielded Air Intakes
- Upgraded High-Flow Turbo Inlets
- Decat Downpipes
- FJM 4” Single Midpipe
- XHP Stage 3 Gearbox Calibration
- Bootmod3 License + Flex Fuel Kit
- Custom Stage 3 E30 Flex Fuel Tune (UTKO)
- Data Logged and Road Mapped
- Femto ECU Unlock (If Required)
- Full Hardware Installation
- Complete Setup and Testing
✅ True drive-in, drive-out service.
No hidden extras, no guesswork. Unlike “half-packages” that leave you chasing extras, we deliver a fully engineered, transparent solution. Hand us the car, we hand you back a proven, tested 900BHP-class build.
📊 Performance Figures (Vehicle & Condition Dependent)
- 0–60 mph: 2.2 – 2.5 seconds
- 100–200 km/h: 4.6 – 4.9 seconds
-
¼ Mile: 9.6 – 9.8 seconds
Figures recorded with Dragy on E30 flex fuel. Results may vary depending on tyres, weight, and conditions.
🔧 Optional Engine Build – FJM1000 (£7100 Entry level rod, we also offer rod and piston for additional fee)
Future-proof your S58 with our in-house Stage 4+ spec engine build, supporting 1000+ BHP with confidence:
- Forged Drop-In Rods
- Upgraded Rod & Main Bearings (OEM BMW)
- ARP Head Studs (625+ available)
- OEM Head Gasket & Seal Kit
- Light Head Skim
- Fluids: Engine Oil, Filter, BMW Coolant
- Full Assembly & Labour
🌪️ Optional Dual Maps – £500
- Low Boost / Daily Map: ~650BHP
- High Boost / Race Map: Max boost on E30
✅ Why Choose the FJM900 Flex Fuel Package?
- ✔ Stress-Free, Fully Engineered Setup
- ✔ Flex Fuel Convenience – car auto-adjusts power to ethanol content
- ✔ Keep Your OEM Turbos – no exchange required
- ✔ Fully Installed, Calibrated, and Road-Tested
- ✔ Expert UTKO Custom Tuning
- ✔ Transparent Process with Complete Handover at Collection
📞 Contact us today to book your FJM900 Flex Fuel Build.
