Product Title

BMW F20 M135i F22 M235i F30 335i N55 Engine ECU DME 8639582 – Manual OEM

Product Description

Genuine OEM BMW Engine Control Unit (DME/ECU) for vehicles equipped with the N55 3.0L Turbo petrol engine.

Part number 8639582, designed to control and manage all critical engine functions including fuel injection, ignition timing, turbo boost regulation, throttle response, and emissions systems.

This ECU is specifically configured for manual transmission vehicles and must match engine type, transmission, and vehicle specification for proper operation.

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 F20 / F21 – M135i
• BMW 2 Series F22 / F23 – M235i
• BMW 3 Series F30 / F31 – 335i

Engine Compatibility

• N55 3.0L Turbo Petrol

Transmission

• Manual transmission only

Model Years

• Approximately 2012–2016 (varies by production date and specification)

OEM Part Numbers / Cross References

• 8639582
• 12148639582
• 8639581
• 8639579
• 8617766
• 8617765

Function

This DME (Engine ECU) controls:

• Fuel injection and ignition timing
• Turbocharger boost control
• Air/fuel ratio and throttle response
• Engine performance and efficiency
• Emissions systems and diagnostics
• Communication with transmission and vehicle systems

It is the main engine management computer.

Important Notes

• Must match engine type (N55) and manual transmission
• Coding/programming and ISN (immobilizer) alignment will be required
• May require synchronization with CAS/FEM module
• Professional installation and BMW diagnostic tools (ISTA/Autel) strongly recommended

Item Details

• Brand: BMW (OEM)
• Part Number: 8639582
• Type: Engine ECU / DME
• Transmission: Manual
• 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.