This service is designed for BMW models equipped with MSD80, MSD80.2, MSD81, MSD81.2, MSV80, and MSV81 DMEs to disable the EWS immobilizer system. By removing the immobilizer function, your vehicle can start and run without interference from the EWS system. Ideal for addressing immobilizer faults, replacing faulty DMEs, or creating spare DMEs for race or off-road use.

⚠️ CONTACT US FOR APPROVAL BEFORE PURCHASE ⚠️

How Our Service Works

1. Ship your DME to our facility.

2. We disable the EWS immobilizer function in the DME.

3. Your DME is returned ready for plug-and-play installation.

When to Use This Service

• Vehicle won’t start due to an EWS immobilizer fault.

• Replacing a faulty DME that cannot be cloned due to water damage or other issues.

• Installing a used DME without dealership programming or synchronization.

• Creating a spare DME for racing or off-road use.

Important Notes

• After the service, an OBD code related to the immobilizer may appear, but it will not illuminate the check engine light.

• Clear all OBD codes after installation for optimal functionality.

• Please contact us prior to purchase — additional information may be required for your specific DME.

Supported BMW Models by Engine Type

N54 and N53 Engines (MSD80/MSD81)

• BMW 135i: 2007–2013

• BMW 335i: 2006–2013

• BMW 335is: 2011

• BMW 535i: 2007–2010

• BMW Z4 (35i): 2009–2016

• BMW X5: 2011–2014

• BMW X6: 2008–2014

N51 and N52n Engines (MSV80/MSV80.1)

• BMW 128i: 2008–2013

• BMW 328i: 2007–2013

• BMW 528i: 2008–2011

• BMW X3 (28i/30i): 2007–2017

• BMW Z4 (28i/30i): 2009–2016

N43 Engines (MSD80.2/MSD81.2)

• BMW 1-Series: Specific models with N43 engine

• BMW 3-Series: Specific models with N43 engine

Supported Firmware Versions

• MSV80/80.1: MI20S, MK80S, MM10S, MD20S

• MSD80: I8A0S, IGD0S, I960S

• MSD81: IJE0S, IKM0S, INA0S, IF80S

• MSD80.2/81.2: Q950S, Q960S, QGF0S, QHA0S, QID0S

FAQ

What is this service for?
Disables the EWS immobilizer on your DME, allowing the vehicle to start and run without immobilizer interference.

Do I need to provide a matching part number?
Yes, please contact us before purchase to verify compatibility.

Will this affect other systems?
No. Only the EWS immobilizer function is disabled; the rest of the vehicle functions normally.

Who pays for shipping?
You pay shipping to us; we cover return shipping.

Don’t see your vehicle listed?
Send us a message with your DME part number for verification.