Have a failed, water-damaged, corrupted, or non-communicating BMW MSD85.0 or MSD85.4 DME/ECM?

Lacorte Automotive offers a complete mail-in remanufactured MSD85 replacement service. You send us your original DME, original CAS module, and one working vehicle key. We provide a compatible remanufactured MSD85.0 or MSD85.4 DME, transfer the applicable vehicle-specific data, professionally bench test the completed replacement, and ship everything back to you.

YOU SEND YOUR DME + CAS + KEY — WE PROVIDE THE REPLACEMENT

No donor DME required.

Every remanufactured MSD85 supplied through this service includes our 3-Year Warranty.

SUPPORTED DME TYPES

This service covers supported:

• BMW MSD85.0
• BMW MSD85.4

Exact compatibility depends on your original DME part number, hardware/software version, engine, production date, and vehicle configuration.

If you're unsure, send us a clear photo of your original DME label and VIN before ordering.

COMMON MSD85 FAILURE SYMPTOMS

A failing MSD85 may potentially cause:

• Crank but no start
• Intermittent no-start
• Engine stalling
• Rough running
• Engine misfires
• Multiple cylinder faults
• Injector-related faults
• Ignition-related faults
• Reduced power / limp mode
• DME communication faults
• No communication with DME
• Intermittent DME communication
• Multiple engine-management fault codes
• Internal DME faults
• Corrupted software or data
• Water or moisture damage
• Complete DME failure

Proper diagnosis is strongly recommended before ordering. Injectors, ignition components, sensors, wiring, grounds, power supplies, fuel-system components, and other vehicle systems can produce similar symptoms.

WHAT YOU MUST MAIL IN

For this service, send:

• Your original MSD85.0 / MSD85.4 DME
• Your original CAS module
• One working vehicle key
• Vehicle VIN
• Required proof of ownership

YOU DO NOT NEED TO SUPPLY A REPLACEMENT DME.

Lacorte Automotive provides the compatible remanufactured replacement.

Please also include your:

• Full name
• Phone number
• Return address
• Vehicle year/model
• VIN
• Order number

WHAT'S INCLUDED

• Compatible remanufactured MSD85.0 / MSD85.4 DME
• Applicable original data extraction and transfer
• VIN & applicable configuration transfer
• Software/calibration transfer where applicable
• Professional bench programming
• Data-integrity verification
• Bench testing & verification
• 3-Year Warranty
• Typical 1–2 business day turnaround

HOW IT WORKS

1. Place Your Order

Purchase the remanufactured MSD85 replacement service.

2. Ship Us Your DME + CAS + Key

Send:

Original MSD85 + Original CAS Module + One Working Key

3. We Provide the Remanufactured DME

We select a compatible remanufactured MSD85.0 or MSD85.4 for your application.

No donor DME is required from you.

4. We Transfer the Applicable Vehicle Data

The applicable original vehicle data and configuration are transferred/prepared for your remanufactured replacement.

5. Professionally Tested

The completed replacement is professionally bench checked and verified before return.

6. Everything Is Shipped Back

Your completed remanufactured DME, original CAS, key, and applicable original components are securely packaged and returned to you.

3-YEAR WARRANTY INCLUDED

Every remanufactured MSD85 supplied through this service includes our 3-Year Warranty against defects in the supplied remanufactured DME and our workmanship, subject to applicable warranty terms.

TYPICAL 1–2 BUSINESS DAY TURNAROUND

Lacorte Automotive pushes for a typical 1–2 business day turnaround after receiving your complete DME + CAS + key package, subject to original-module condition and replacement availability.

Same-day rush service may be available.

SIMPLE BREAKDOWN

YOU SEND:

Original MSD85.0 / MSD85.4 DME
Original CAS Module
One Working Vehicle Key

WE PROVIDE:

Compatible Remanufactured MSD85.0 / MSD85.4 DME

YOU RECEIVE:

A professionally prepared and bench-tested replacement DME backed by our 3-Year Warranty, along with your original components.

PROOF OF OWNERSHIP REQUIRED

Because this service involves vehicle-specific electronic and immobilizer information, proof of vehicle ownership is required.

Please provide:

• Government-issued photo ID
• Vehicle title or current registration
• Vehicle VIN

Documentation must correspond with the vehicle being serviced.

IMPORTANT — COMPATIBILITY

Compatibility depends on:

• MSD85.0 / MSD85.4 variant
• BMW part number
• Siemens/Continental part number
• Hardware version
• Software version
• Engine/application
• Vehicle production date
• Vehicle configuration
• Condition of your original DME

Severe physical, electrical, water, or internal memory damage may require additional work if the necessary original data cannot be recovered.

Lacorte Automotive

BMW MSD85.0 / MSD85.4 Remanufactured DME Replacement

YOU SEND: ORIGINAL DME + CAS + KEY

WE PROVIDE: REMANUFACTURED MSD85 DME

Programmed & Tested • 3-Year Warranty • Typical 1–2 Business Day Turnaround