BMW DME DDE ECU Replacement Programming ISN Matching


MotorTronics provides a complete replacement programming solution for your electronic engine unit, The ECU goes through various data programming processes to ensure data is matched or modified to be plug and play, only after this, we pass it and it’s ready for dispatch.

All that is left for you to do is

1. Click Buy it Now / Add to Cart
2. Fill in the Order Form / Packaging Slip provided after the payment page.
3. Send your Immobiliser Module and Replacement ECU (marked Replacement) with the Order Form
4. Await programming while we have your part(s)
5. Once received simply Plug it in and turn the key.
6. In some cases you will require diagnostics to adapt / clear codes.


Is your ECU damaged and you need it to be replace?

Have you been told that your ECU is beyond repair and you need a replacement?

Programming Process 

BMW Immobiliser Modules (CAS 2, CAS3, CAS4, FEM, BDC) 

These Modules contain all immobiliser data and information that we need to be able to code a replacement part for, depending on the year of your BMW you would have either one of these modules fitted.

Our Programming Solution allows most of the immobiliser data that are used to for matching modules together are transfer to the replacement part, this is the most cost-effective way  on getting your module replaced using 2nd hand parts instead of buy new parts from the dealers and then having it programmed costing over ~£2000

BMW ECU Replacement Programming

Using the Replacement ECU we Extract the data and modify the data accordingly to match the immobiliser data of the vehicle with the immobiliser module sent to us

The replacement Part must be of the same part number of your faulty ECU, this ensures and there is no issues with software or hardware compatibility with your Replacement Part.