Femto bench unlock

[getoffmaballs]

Looks like the femto bench unlock finally dropped, curious to know how this will affect pricing for unlocks going forward.

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[QTR FMS]

i have contacted Femto and they have updated my order and offered 600 euro refund dropping the cost from 1050 euro to 450 euro.

 

[Eastwood]

 

[Eastwood]

What I would like to know is if re-locking the DME converts back to the OEM CID and CVN, or is that permanently changed due to the permanent Bench Unlock.

Asking because California smog. Boo. I am hoping this acts like the Pre June 2020 DMEs where you can unlock, lock back to OEM specs and unlock after. That would be ideal.

Edit: Femto confirmed, new bench unlock will operate like Pre June 2020 DME, you can relock for OEM CVN and CID for smog and bench unlock after.

 

[Funkjaw]

What I would like to know is if re-locking the DME converts back to the OEM CID and CVN, or is that permanently changed due to the permanent Bench Unlock.

Asking because California smog. Boo. I am hoping this acts like the Pre June 2020 DMEs where you can unlock, lock back to OEM specs and unlock after. That would be ideal.

Edit: Femto confirmed, new bench unlock will operate like Pre June 2020 DME, you can relock for OEM CVN and CID for smog and bench unlock after.

This is good news - what about potential warranty issues with the dealership?

 

[razorlab]

This is good news - what about potential warranty issues with the dealership?

Flash counter will give you away if BMW digs.

 

[Speed Logic]

What I would like to know is if re-locking the DME converts back to the OEM CID and CVN, or is that permanently changed due to the permanent Bench Unlock.

Asking because California smog. Boo. I am hoping this acts like the Pre June 2020 DMEs where you can unlock, lock back to OEM specs and unlock after. That would be ideal.

Edit: Femto confirmed, new bench unlock will operate like Pre June 2020 DME, you can relock for OEM CVN and CID for smog and bench unlock after.

Relocking the ECU will indeed convert back to OEM CID/CVN, not permanently changed and leading to any issues with Paperwork etc. As @razorlab mentioned though Flash counter may not be reset to 0 depending on your method of flashing back to stock. Each tuning suite may have their own implementation for this portion. And Flash counter may not be frozen at 0 or 1 like previous generation BMW relocks/tune removal. So far these new solutions seem promising - CID/CVN will be back to factory but not sure right not ATM about flash counter. Previous gen BMW ECU had ability to reset these to 0/1 without issues so as not to be detectable etc. Time will tell.

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