BMW B58 | M800 PACKAGE

BMW B58 M800 Performance Package

(For M240i, M340i, M440i, GR Supra, and More)
🚀 800+ Wheel Horsepower — Built for the Street, Ready for the Track

Ready to turn your B58-powered BMW or GR Supra into a true powerhouse? Our MTech B58 M800 Package packs everything you need to safely push your car to over 800 wheel horsepower — all while keeping your stock engine and transmission intact. Daily drive it, race it, flex it — this package can handle it.

🔧 What’s Included (and Why It Matters):

✅ Front-Mount Cold Air Intake — Cooler air = more power. Keeps your turbo happy.
✅ Charge Pipe & Turbo Inlet — Max airflow, better throttle response, and ready for big boost.
✅ MTech Downpipe & Midpipe — Frees up exhaust flow for serious power gains and sound.
✅ PURE850 Turbo — Bigger turbo, bigger power. This is where the magic happens.
✅ MTech Port Injection Kit (Plug & Play) — Extra fuel for big boost — your engine’s ready.
✅ D.I.Y. Low-Pressure Fuel Pump Kit — More fuel, more fun. No worries about running lean.
✅ BM3 Ethanol Flex Fuel Kit — Run gas, ethanol, or a mix — the kit adjusts on the fly.
✅ Custom Flex Fuel Tune — Dialed-in maps for 93 Octane, E50 Blend, or full flex-fuel freedom — safe, reliable power anywhere.
✅ Bootmod3 License or ECUTek Unlock (Optional) — Tune your car for max power (we’ll help you choose).
✅ FEMTO DME Unlock (Optional for 06/2020+ builds) — Required for newer models, we handle the FEMTO Unlock.

💪 What You Get:

✔ 800+ Wheel Horsepower potential.
✔ Proven upgrades to handle the power safely on the stock engine & trans.
✔ Flex fuel ready — run 93 pump gas or E50 ethanol blends.
✔ Daily drivable AND track capable.
✔ Everything needed — no guesswork, no extra trips to the shop.
✔ All the parts and MTech tuning you'll need to achieve your goals. (labor not included)

🔥 Compatible B58 Models:

• G42 M240i (incl. xDrive)
• G2x M340i / M440i (incl. xDrive)
• G3x 540i
• G32 640i
• G1x 740i / 740Li
• G1x 840i
• G0x X3M40i / X4M40i
• G0x X5/X6/X7 40i
• G29 Z4 M40i
• Toyota GR Supra

⚠️ Note on FEMTO DME Unlock:

For vehicles built after June 2020, a FEMTO Unlock is required to safely tune your car. We handle the process — just ship your DME to us. Add $1,399 when purchased with the package.

🏁 Why Choose MTech’s B58 M800 Package?

If you want to crush the competition, light up the streets, or just enjoy pure, reliable power every time you drive — this is the setup. Built by enthusiasts, tested, and ready for more when you are.

👉 Ready to hit 800+ wheel horsepower?