BM3 B58 / S58 Custom Rom Add on

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  • Regular price $875.00
Shipping calculated at checkout.


*** THIS IS ONLY IF YOU HAVE ALREADY UNLOCKED THE ECU WITH FEMTO AND WANT TO ADD ON CUSTOM ROM ***

 

For custom rom on B58/S58 please purchase bm3 and activate it before sending your ecu out.You will need to email your license key as well as the email associated to your bm3 account for custom rom to be applied.

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

For the cloning option you will have to provide the clonable ecu, we do not provide it! 

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 MHD/BM3/ MG Flasher

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

  • G8x M3/M4
  • A9x Supra + GEN 2 B58s

Want to add a custom Sameh Tune! 

  • Stage 1 - Completely stock vehicle
  • Stage 2 - Stock turbo but modified bolt ons
  • Stage 3 - Hybrid Turbo (E.g. Pure, DAW, Vargas, etc)
  • Stage 4 - Top mount turbo, external wastegate setup, etc

Prices are for a single fuel tune. To add additional fuels (e.g. if you want E50 and a 93 tune) please check the tune addons page. 

Due to high demand please expect a response within two business days.

All tunes are final and non refundable.