Next trip is December 10th

Femto DME Full Unlock – 

With the latest Femto Full DME Unlock protocol.
Unlike older unlock types that were tied to a specific flasher (MHD, Bootmod3, etc.), the new standard is a complete, platform-wide unlock. Once performed, your ECU becomes fully open to any supported tuning solution — now or in the future.

What Full Unlock Means

• The DME is fully unlocked at the firmware level

• No more flasher-specific unlocks

• You can flash with EcuTek, MHD, Bootmod3, MG Flasher, and others interchangeably

• Future changes in tuning platforms no longer require re-unlocking

If the ECU Ever Gets Re-Locked

Dealer software updates, OTS updates, and factory reflashes can re-lock the DME.
If that occurs, the solution is straightforward:

• A standard bench unlock in the U.S. is all that’s needed

• Any shop familiar with unlocks can complete this service

• No overseas shipping or long downtime required

• No repeat unlock fees beyond the bench service invoice

Benefits of the New Full Unlock

• Maximum flexibility for tuning platforms

• Ideal for customers who change tuners or flash methods

• Peace of mind if the car receives a dealer update

• Fully compatible with all major tuning software now and going forward

The newest Femto unlock format provides a true, full ECU unlock with no ties to any specific flasher software. Once completed, your ECU becomes open at the core level — compatible with all major OBD tuning platforms, as well as any bench-capable hardware, including personally owned bench tools.

This unlock establishes a permanent low-level access path on the ECU. That means even if a dealer visit or OTA update re-locks OBD flashing, your bench access always remains open. With a single bench unlock, you retain total control over the ECU forever and can restore OBD unlocking at any time.

Unlike older unlock styles that were restricted to a specific flash tool (MHD-only unlocks, Bootmod3-only unlocks, etc.), this solution is completely platform-agnostic. Once unlocked, you’re free to use MHD, Bootmod3, MG Flasher, EcuTek, or any other compatible OBD platform without repeating unlock steps or paying for platform conversions.

A Femto bench unlock has:

• No software tie-ins

• No flasher-specific limitations

• No repeat unlock fees for changing platforms

• No lockouts if factory updates occur

If the ECU ever gets re-secured by a dealer update, the unlock is easily re-activated with a standard bench service here in the U.S., performed by any shop equipped for bench unlocking. No overseas shipping, no delays.

This is the most flexible, future-proof unlock format available — one unlock, universal access, and fully reversible OBD control anytime.

BMWs and Supras with an ECU (Engine Control Unit) manufactured after June 2020. If you want to tune these vehicles, you need an unlock from Femto to unlock the DME (Digital Motor Electronics) or ECU, allowing you to modify its settings and parameters.

When shipping your dme please include your name and your vin in the box .

 

The process takes 10 business days from start to finish.

• You’re provided with a shipping label to send us the locked ECU.
• We check your ECU to confirm it’s Post-June Locked.
• Your locked ECU is then hand delivered to FEMTO in Finland.
• FEMTO performs their unlock service on the ECU.
• Once we arrive back the ECU will be shipped to you.

You’ll receive your original ECU unlocked and ready to tune with any platform

For the unlock you must mail in your ECU to us first. You can email us once your order is placed and we will email you the shipping to mail in the ECU. As of right now we cannot guarantee any turnaround time, it will take at least 10-14 business days.

Single ECU

• G3x 240i/340i/440i/540i
• G8x M3/M4
• A9x Supra
• F9x X3M

Dual ECU

• G3x 550i
• F9x M5/M8
• F9x X5M/X6M