BMW MS41 ECU Cloning Service (Plug & Play)

Restore your BMW’s original performance and functionality with our professional MS41 ECU Cloning Service. This service precisely transfers all factory data—including VIN, EWS immobilizer sync, and coding—from your old MS41 engine control module to your replacement ECU. The result is a fully plug-and-play setup with no dealer programming required.

How It Works:

Send in your ECUs: Ship your old ECU and replacement ECU to us.

If the old ECU is dead: Include your EWS module and key instead.

We perform full cloning: Using industry-grade bench tools, we safely copy the complete binary data and verify checksum integrity.

Fast turnaround: Service is typically completed within 1–2 business days of receiving your parts.

Benefits:

100% plug-and-play, no additional coding needed

Works even when the original ECU has no communication

Preserves immobilizer data and VIN

Bench-tested for proper operation

Trusted by rebuilders and enthusiasts worldwide

Supported Models:
BMWs equipped with MS41 ECUs (used with M52 engines, 1996–1999), including:

E36 323i / 328i

E39 528i (1997–1998)

Z3 2.8 (1997–1998)

Early E46 323i (European models)

Shipping Instructions:

Include both ECUs (or replacement ECU + EWS and key if the old one is faulty).

Include your name, contact information, and vehicle details (year/model).

Pack securely with padding to avoid damage during shipping.

Turnaround: 1–2 business days
Compatibility: BMW MS41 ECU (M52 engines, 1996–1999)
Service Type: Mail-In ECU Cloning