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Can you swap a DME?
Provided they are all of the same DME version and is correct for your model year car (including map): If you had the donor car’s alarm module in addition to the DME, you could swap your DME and alarm module with the donor cars and the donor cars keys would both unlock the car and start/run it.
What is a bench unlock?
Bench unlocking is a one time process required to allow OBD2 flashing with MHD or Bootmod3 for vehicle that have received the anti-tuning update from BMW. Same day turnaround for mailed ECU.
What is DME BMW?
The BMW DME or otherwise known as an ECU, ECM or PME is a major part of your vehicle. Essentially, it’s the onboard computer, responsible for regulating the car’s engine. We often modify the engines computer to help the engine run smoother. Helping it run smoother unlocks extra horsepower and available torque.
What happens if you put a used ECU in a BMW?
Because if you install a used ECU in any BMW, the VIN number and Rolling Code will not match, and it will prevent the car from starting. The EWS was created for this very purpose. What happens is that the EWS system connects with the key transponder, but fails to properly communicate with the DME.
How do I connect the DME to the EWS?
In order for the unit to work in the car, a DME to EWS Alignment/Synchronization has to be carried out. This is done using a BMW scanner like this USB Interface Cable Car with you laptop USB connection, a GT1, ISTA, Autologic, Launch X431 or Baum Tool DS2021.
How long does it take to program a DME ECU?
DME ECU Programming: This is the same as when you install the the Windows Operating System in your desktop computer. This process tells the DME to which car it will installed in and how it should manage the engine performance while the car is working. The reprogramming process takes an average of 45 minutes to 1 hour.
How long does it take to synchronize the EWS and DME?
DME Alignment/Synchronizing: This is a simple “Copy & Paste” process which takes only 5 minutes. The BMW Scanner copies the “Rolling Code” from the EWS and Pastes it in the DME memory. This process “marries” a new ECU to the vehicle allowing it to start. ….