Description
BMW B58 Engine Control Unit (ECU / DME) – Genuine OEM – Part No. 849450-01
Genuine BMW B58 Engine Control Unit (ECU/DME), professionally removed from a BMW fitted with the B58 3.0L turbocharged petrol engine. This OEM Digital Motor Electronics (DME) module is responsible for controlling engine management functions including fuel injection, ignition timing, turbocharger operation, emissions systems, and communication with the vehicle's electronic control systems.
⚠️ IMPORTANT:
Please match the part number (849450-01) with your existing ECU before purchase.
⚠️ Compatibility varies depending on vehicle model, production date, transmission type, and B58 engine version.
⚠️ Programming, coding, and immobiliser (ISN/VIN) synchronisation will be required before installation.
⚠️ Please review all photographs carefully to confirm condition and included components.
Key Features
Brand: BMW
Engine Compatibility: BMW B58 3.0L Turbo Petrol Engine
Part Type: Engine Control Unit (ECU) / Digital Motor Electronics (DME)
Part Number: 849450-01
Position: Engine Bay
Condition: Used – Genuine OEM BMW part, fully inspected and in good working condition
Fitment: Direct replacement
Function:
- Controls fuel injection and ignition timing
- Manages turbocharger and engine performance
- Controls emissions and engine protection systems
- Communicates with the transmission and other vehicle control modules
- Genuine OEM BMW replacement component
PLEASE NOTE:
As this is a used electronic component, there may be minor marks, scratches, or signs of wear consistent with normal use.
Mounting brackets and wiring connectors are included only if shown in the photographs.
Professional installation is highly recommended.
Coding, programming, and immobiliser alignment are required for correct operation.
Please ensure compatibility before purchase.
We strive to provide accurate descriptions and high-quality used parts.
Shipping Information
We offer UK mainland shipping only.
The shipping price shown near the item price is available only within 225 miles of our location in London, England.
For locations beyond this radius, shipping arrangements can be discussed upon request.
If you are located outside this area and no arrangement is made, we may have to cancel the order.
International shipping can be arranged upon agreement between both parties.
RETURNS & ITEM CONDITION POLICY
All items are CCTV recorded and photographed before dispatch.
Any defects or wear are clearly shown in listing photos.
Once the item is handed to the courier, responsibility for transit condition lies with the courier.
Returns/exchanges are only accepted if the item is returned in the same condition within the return period.
Buyer is responsible for return shipping costs.







