BMW E87 E90 118i 318i N46 129HP ECU DME 7552176 Manual Transmission

BMW E87 E90 118i N46 Engine Control Unit DME 7552176 is an original module from the Electronic Control Units and Controllers category, designed to manage the engine's operation in gasoline-powered BMW versions with manual transmissions. This DME controller ensures precise engine parameter management, supporting stable powertrain operation and correct interaction with the vehicle's other electronics.

Specifications and technical data

• SKU: 7552176-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7552176
• Substitutable numbers: 12147557291, 7557291, 12147552177, 7552177, 12147552176, 7552176, 12147550535, 7550535, 12147550534, 7550534, 12147545043, 7545043, 12147545042, 7545042, 12147531846, 7531846, KZ
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and Function of the DME Controller

The DME engine control unit in BMW 1 Series E87 and 3 Series E90 models with the N46 engine is responsible for comprehensive control of the combustion process, fuel delivery, and ignition timing. This allows the powertrain to maintain optimal operating parameters under various load conditions, ensuring predictable and repeatable throttle response. The controller works with engine sensors, analyzes their signals, and adjusts settings accordingly, resulting in smooth operation and stable performance.

Application in BMW Vehicles

The presented engine control unit is dedicated to gasoline-powered BMW versions with manual transmissions, which is crucial for selecting the correct controller for a specific drivetrain configuration. Using the appropriate DME module ensures compatibility with the vehicle's factory electrical architecture, minimizing the risk of communication errors within the control unit network and engine starting problems.

This component is particularly important for:

• repairing the engine control system after an electronic failure,
• restoring the factory configuration after unsuccessful software modifications,
• replacing a damaged controller with a functional used module.

Technical Characteristics and Vehicle Integration

As part of the Electronic Control Units and Controllers group, the DME engine control unit is designed to operate in the demanding environment of the engine bay, accounting for temperature variations and vibrations. The module works with the gasoline fuel system and manual transmission, which is important for coding and adaptation in the vehicle.

When selecting a controller, it is worth paying attention to:

• compatibility with the N46 engine type in the specific BMW model,
• drivetrain configuration (gasoline + manual transmission),
• the presence of appropriate interchangeable part numbers in the vehicle documentation or on the old module.

This will help reduce adaptation time and ensure proper interaction with other vehicle control units, such as comfort modules or safety systems.

Condition, Origin, and Benefits of Choosing a Used Part

The offered DME engine control unit is a used part, sourced from dismantling, which allows for economical repair of the control system while maintaining original manufacturing quality. Choosing an OEM module from the aftermarket is often a beneficial solution for older BMW generations, where the availability of new controllers can be limited or cost-prohibitive.

The main advantages of using an original used controller include:

• maintaining the factory specification of the engine electronics,
• the possibility of seamless integration with the existing wiring harness without modifications,
• an attractive cost-to-functionality ratio compared to new aftermarket parts.

Technical Support and Additional Information

Before purchasing, it is advisable to compare the markings on your current controller with the product specifications and consult with a mechanic or automotive electrician to ensure proper vehicle integration. For BMW engine control units, proper programming and potential adaptation to the immobilizer are also important, which should be performed by a workshop equipped with the appropriate diagnostic software.

If you are looking for other BMW Electronic Control Units and Controllers, check out our dedicated offer: BMW Electronic Control Units and Controllers.

For more practical tips on working with BMW electronics, including engine control units, see the article: Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models.

For a broader perspective on selecting used parts, you can also refer to the advice in the guide: Best Used Car Parts – A Guide to Original Parts.