MS43 EWS (Immobilizer) Delete
$50.00
Easy method to replace your DME in any siemens MS43 controlled vehicle.
If your ECU (DME in BMW terms) has failed, we can provide a method to replace it without having to worry about the EWS (immobilizer) system.
This method also allows for a solution if you have lost all 10 OE keys and cannot get another made. After the EWS delete, any key which turns the physical lock will allow operation of the car.
Perfect for race-car builds or M54 engine swaps into alternate vehicles as it significantly simplifies the wiring.
The instructions for doing so yourself are provided (FOR FREE) at ms4x.net. This service is offered to anyone who doesn’t feel comfortable performing it themselves. I did not develop this method in-house, and therefore do not deserve the credit for the process. Anyone charging $200 (or more) for an EWS is ripping you off.
Core MS43 DME can be provided at market rates, or I can EWS delete a core provided by you. Please contact for additional details.