Product Description

Used OEM BMW Engine Control Unit (DME/ECU) for BMW models equipped with the M54B25 2.5L Petrol engine. BMW part number 7511570. Siemens MS43 engine management system. Removed from a working vehicle and sold as shown.

This listing is for the Engine Control Unit (DME/ECU) only.

The DME (Digital Motor Electronics) is the primary engine management computer responsible for controlling fuel injection, ignition timing, Double VANOS, electronic throttle, emissions systems, and overall engine performance. The Siemens MS43 ECU is specifically designed for BMW M54 petrol engines and ensures efficient engine operation and reliable performance.

Please verify compatibility using the part number before purchasing. Coding, programming, VIN synchronization, or immobilizer (EWS) alignment may be required after installation.

Features

• Genuine BMW OEM Engine Control Unit (DME/ECU)
• BMW Part Number: 7511570
• Siemens MS43 Engine Management System
• Designed for M54B25 2.5L Petrol engine
• ECU/DME Only (No EWS module or key included)
• Controls fuel injection, ignition timing, Double VANOS, throttle, and engine management functions
• Supports emissions and engine performance systems
• OEM direct replacement
• Factory fit and quality
• May require coding, programming, VIN synchronization, or EWS alignment after installation

Fitment

• BMW 5 Series E39 525i
• BMW Z3 Roadster 2.5i (E36/7)
• BMW 3 Series E46 325i / 325Ci / 325xi (part number dependent)
• Other BMW models equipped with the M54B25 2.5L Petrol engine utilizing part number 7511570.

Engine: M54B25 2.5L Inline-6 Petrol

Model Years: 2000–2003

Please match part number 7511570 with your original unit before purchase.

Item Details

Brand: BMW OEM / Siemens
Part Number: 7511570
Engine: M54B25 2.5L Petrol
Condition: Used
Type: Engine Control Unit (DME/ECU)

Return & Shipping Policy

Returns accepted within 14 days. Item must be in original condition.

Buyer pays return shipping and any customs duties, taxes, or import fees.

All parts are used. Please confirm compatibility before purchasing.

NB: Contact via eBay Messenger for questions.