Product Description
Used Genuine OEM BMW MS43 Engine Control Unit (DME/ECU) for compatible BMW E39 and E46 models equipped with the M54 petrol engine. BMW part number 7545150, Siemens part number 5WK90026. Removed from a working vehicle and sold as shown.
The MS43 Digital Motor Electronics (DME) controls the engine management system, including fuel injection, ignition timing, throttle control, emissions, and overall engine performance. It communicates with the vehicle's immobilizer (EWS) and may require synchronization after installation.
Please verify compatibility using the BMW part number, Siemens number, DME type (MS43), connector configuration, and photos before purchasing. Coding, programming, or EWS-DME synchronization may be required after installation.
Features
• Genuine BMW OEM MS43 Engine Control Unit (DME/ECU)
• BMW Part Number: 7545150
• Siemens Part Number: 5WK90026
• DME Type: MS43
• Controls fuel injection, ignition timing, and engine management
• OEM factory component
• Direct replacement when part numbers match
• May require coding, programming, or EWS synchronization after installation
Fitment
• BMW 5 Series E39 525i / 530i (M54)
• BMW 3 Series E46 (M54-equipped models)
• Other compatible BMW models utilizing MS43 DME and part number 7545150 / Siemens 5WK90026
Model Years: 2003–2005
Please match BMW Part Number 7545150, Siemens 5WK90026, and your original DME before purchase.
Item Details
Brand: BMW OEM / Siemens
Part Number: 7545150
Siemens Part Number: 5WK90026
Condition: Used
Type: Engine Control Unit (DME/ECU)
DME Type: MS43
Approximate Weight: 3 lbs (48 oz)
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.
Seller: AL IBDAA AL MUTAMAYEZ USED CARS AND SPARE PARTS TR. L.L.C.
NB: Contact via eBay Messenger for questions.
