Product Title

BMW 5 Series E39 / Z3 / E36 M54 Engine ECU DME MS43 7519308 – OEM Control Unit

Product Description

Genuine OEM BMW Engine Control Unit (DME/ECU) with MS43 system for vehicles equipped with the M54 inline-6 petrol engine.

Part number 7519308, used to manage all critical engine functions including fuel injection, ignition timing, throttle control (drive-by-wire), VANOS operation, and emissions systems.

This ECU is a core engine management computer, ensuring optimal engine performance and efficiency.

This item is used OEM and removed from a running vehicle unless otherwise stated. It may show normal wear consistent with age and use.

Please carefully review all photos before purchase to confirm condition and compatibility.

Compatibility

Vehicle Models

• BMW 5 Series E39
• BMW 3 Series E36 (late models / swaps with MS43)
• BMW Z3 (facelift models)

Engine Compatibility

• M54 2.2L / 2.5L / 3.0L Petrol

Model Variants

• 520i / 525i / 530i
• 323i / 328i (converted or late configurations)
• Z3 2.2i / 2.5i / 3.0i

Model Years

• Approximately 1999–2006 (varies by model and ECU system)

OEM Part Numbers / Cross References

• 7519308
• 12147519308
• 7519307
• 7519306
• 7540996
• 7540997

Function

This MS43 DME controls:

• Fuel injection and ignition timing
• Electronic throttle (drive-by-wire)
• VANOS variable valve timing
• Air/fuel mixture and engine efficiency
• Emissions systems and diagnostics
• Communication with EWS (immobilizer) and other ECUs

It is the main ECU responsible for engine operation.

Important Notes

• Must match engine type (M54) and MS43 system
• Coding/programming and EWS (immobilizer) alignment required
• Not plug-and-play unless matched set (ECU + EWS + key)
• Professional installation and BMW diagnostic tools recommended

Item Details

• Brand: BMW (OEM)
• Part Number: 7519308
• System: MS43
• Type: Engine ECU / DME
• Condition: Used

Return & Shipping Policy

• Returns accepted within 14 days of delivery
• Item must be returned in original condition and packaging
• Buyer is responsible for return shipping costs
• Import duties and taxes are buyer’s responsibility

Important Notice

• Used electronic control unit
• We are not responsible for coding, programming, or compatibility issues
• Always verify part number and engine compatibility before purchase

Contact

For VIN compatibility confirmation or technical questions, please message before purchase.