Product Title

BMW E87 E90 116i N45 Engine ECU DME 12147550688 / 7550688 – OEM

Product Description

Genuine OEM BMW Engine Control Unit (DME/ECU) for vehicles equipped with the N45 1.6L petrol engine.

Part numbers 12147550688 / 7550688, designed to control all major engine functions including fuel injection, ignition timing, throttle response, and emissions systems.

This unit is a key engine management computer, ensuring optimal performance, efficiency, and reliability of the engine.

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

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

Compatibility

Vehicle Models

• BMW 1 Series E87 (5-door)
• BMW 3 Series E90 (Sedan)

Engine Compatibility

• N45 1.6L Petrol

Model Variants

• 116i

Model Years

• Approximately 2004–2007 (pre-LCI models, verify by part number)

OEM Part Numbers / Cross References

• 12147550688
• 7550688
• 7550687
• 7550686
• 7546713
• 7546714

Function

This DME (Engine ECU) controls:

• Fuel injection system
• Ignition timing
• Air/fuel mixture
• Throttle response
• Emissions and engine efficiency
• Communication with other vehicle control modules

It is the main ECU responsible for engine operation.

Important Notes

• Must match engine type (N45) exactly
• Coding/programming and immobilizer (CAS/EWS) alignment may be required
• Plug-and-play is NOT guaranteed
• Professional installation and BMW diagnostic tools recommended

Item Details

• Brand: BMW (OEM)
• Part Numbers: 12147550688 / 7550688
• 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.