BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME 7552176 Manual Gearbox

Description

BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME 7552176 is an original part from the electronic control modules and units category, designed for use with the N46 gasoline engine and a manual transmission. This DME controller ensures precise engine management, supporting stable operation, optimal performance, and correct functioning of onboard systems.

Specifications and technical data

• SKU: 7552176-8
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7557291
• Substitutable numbers: 7552176, 12147552176, 7557291, 12147557291, 7552177, 12147552177, 7550535, 12147550535, 7550534, 12147550534, 7545043, 12147545043, 7545042, 12147545042, 7531846, 12147531846, 0261208582, 0 261 208 582
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

DME Controller Purpose and Function

The presented engine control unit is dedicated to the BMW Z4 E85 2.0i model with the N46 engine producing 150 HP, paired with a manual gearbox. As the central component of the engine control system, the DME is responsible for coordinating fuel injection, ignition, and a range of sensors and actuators, which translates to proper dynamics, fuel consumption, and stable engine operation.

A correctly selected engine control unit is crucial for replacing a damaged ECU, post-collision repairs, or resolving issues with starting, rough idling, or system error codes.

Benefits of Using an Original BMW Module

Choosing an original controller from the BMW electronic control modules and units group ensures:

• factory compatibility with the N46 engine’s electrical system and components,
• proper interaction with the manual transmission and onboard systems,
• stable engine operating parameters after correct adaptation and coding,
• the possibility of diagnostics and software updates using standard BMW service tools.

This allows the controller to be used as a functional replacement for a damaged ECU, without the need for wiring modifications or vehicle structural alterations.

Selection by Numbers and Compatibility

The module features a dedicated OEM part number and a set of interchangeable numbers, which simplifies selecting the correct ECU for a specific BMW Z4 E85 configuration. When planning a replacement, it is recommended to:

• verify the OEM part number and reference numbers in the product specifications,
• compare the engine type (N46, gasoline) and transmission type (manual),
• check for hardware and software compatibility with the current controller in the vehicle.

This approach minimizes the risk of engine starting problems, communication errors with other modules, or the need for additional modifications.

Characteristics of a Used Controller

The offered ECU is a used part, providing an attractive cost-effective solution while maintaining original BMW specifications. A used module is particularly beneficial in situations where repairing the existing controller is uneconomical or technically impossible. After installation, standard vehicle adaptation (including coding, and potentially immobilizer registration) is required according to service procedures.

Technical Support and Additional Materials

If you are considering installing a used ECU or want to better understand the principles of selecting and configuring control modules, you will find practical tips in the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?. The article discusses, among other things, selection by OEM numbers, compatibility issues, and typical installation scenarios.

If you need other BMW electronic control modules and units for your car, check out our dedicated offer: BMW electronic control modules and units. This will allow you to easily assemble the remaining electronic system components in one place.