This service is designed for BMW vehicles equipped with the MS41 DME/ECU to disable the EWS immobilizer system. By removing the immobilizer function, the vehicle can start and run without interference from the EWS system. This service is ideal for resolving immobilizer faults, replacing a faulty DME, or preparing a spare DME for race or off-road applications.
How Our Service Works
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Ship your MS41 DME/ECU to our facility.
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We disable the EWS immobilizer function in the DME.
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Your DME is returned ready for plug-and-play installation.
When to Use This Service
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Vehicle won’t start due to an EWS immobilizer fault.
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Replacing a faulty DME that cannot be cloned due to water damage or corrosion.
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Installing a used DME without dealership programming or synchronization.
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Creating a spare DME for racing or specialty applications.
What This Service Does
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Disables the EWS immobilizer function in the DME.
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Allows the vehicle to start and run without immobilizer interference.
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Provides a plug-and-play solution for DME replacement or spares.
Important Notes
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After the service, an OBD code related to the immobilizer may remain, but it will not trigger the check engine light.
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Clear all OBD codes after installation to ensure proper operation.
Supported Models
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BMW 3 Series (E36): 323i, 328i, M3 (1996–1999)
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BMW 5 Series (E39): 528i (1996–1998)
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BMW Z3 (E36/7 and E36/8): Z3 2.8, Z3 M Roadster/Coupe (1997–2000)
FAQ
What is this service for?
Disables the EWS immobilizer system in the MS41 DME, allowing the vehicle to start and run without immobilizer-related issues.
Will my vehicle need additional programming after this service?
No. The DME will function as plug-and-play once installed.
Will the immobilizer light remain on?
An immobilizer-related OBD code may remain stored, but it will not illuminate the check engine light.
Who pays for shipping?
You pay shipping to us; we cover the return shipping.
Don’t see your vehicle listed?
Send us a message with your DME part number for verification. We’re happy to confirm compatibility.