Product Description

Replace your faulty or malfunctioning Engine Control Unit (DME / ECU) with this OEM BMW module, part number 7643312, designed for BMW models equipped with the N20 engine, including 3 Series (F30), 5 Series (F10/F11), and X3 (F25).

The DME (Digital Motor Electronics) is the main engine computer, responsible for managing fuel injection, ignition timing, turbocharger operation, and overall engine performance. A failing ECU can result in poor performance, starting issues, or engine warning lights.

Features

• OEM BMW Engine Control Unit (DME / ECU)
• Part Number: 7643312
• Compatible with N20 engine models
• Fits BMW F30 / F10 / F11 / F25
• Controls engine performance, fuel system, and ignition
• Direct OEM replacement unit

Condition

Used / OEM (tested working unless otherwise stated)

Important Notes

• ECU is VIN-locked and requires coding/programming
• May require ISN matching, key synchronization, or cloning
• Professional installation recommended
• Please verify part number compatibility before purchase

Common Symptoms Fixed

• Engine will not start
• Check engine light ON
• Poor engine performance or misfires
• Communication faults with ECU
• Fault codes related to engine management

Fitment

BMW Models (N20 engine):

• 3 Series F30
• 5 Series F10 / F11
• X3 F25

Tags 

BMW DME ECU 7643312, F30 engine control unit, F10 ECU module, F25 X3 ECU, BMW N20 ECU, BMW engine computer module

Return Policy

Returns are accepted within 14 days of delivery. Items must be returned in the same condition as received and in the original packaging.

The buyer is responsible for return shipping costs.

Any customs fees, taxes, or import duties are the responsibility of the buyer.

All parts are used OEM components. We are not responsible for installation issues, coding requirements, or labor costs. Please ensure compatibility with your vehicle before purchasing.