BMW E36 M50 VANOS / Non-VANOS Ecumaster EMU Classic ECU & Plug-and-Play Adaptor

BMW M50 VANOS / Non-VANOS Ecumaster EMU Classic ECU & Plug-and-Play Adaptor

The BMW M50 VANOS / Non-VANOS Ecumaster EMU Classic ECU & Pre-Built Plug-and-Play Adaptor Kit is designed to allow an Ecumaster EMU Classic ECU to connect to the original BMW M50 engine wiring loom.

This kit is suitable for selected BMW M50 applications, including M50B25 DME 3.1 and M50B25TU DME 3.3.1 vehicles. Please specify whether you require the VANOS or Non-VANOS version when purchasing.

The kit includes an Ecumaster EMU Classic ECU and a pre-built, ready-to-fit plug-and-play adaptor, allowing the Ecumaster ECU to interface with the OEM loom without building a complete custom engine loom from scratch. The adaptor is supplied as a finished item, not loose connectors and wires.

Key Features

Designed for BMW M50 Engines
Suitable for selected BMW M50 engine applications using the OEM engine loom.

Ecumaster EMU Classic ECU Included
Supplied with the Ecumaster EMU Classic standalone ECU for programmable engine management control.

Pre-Built Plug-and-Play Adaptor Included
Supplied with a complete, ready-to-fit adaptor that allows the Ecumaster ECU to connect to the factory BMW M50 engine loom. This is supplied as a finished adaptor, not loose connectors and wires.

VANOS & Non-VANOS Options
Available for both VANOS and Non-VANOS BMW M50 applications.

Suitable for DME 3.1 / 3.3.1 Applications
Suitable for M50B25 DME 3.1 and M50B25TU DME 3.3.1 applications.

Cleaner Standalone Installation
Reduces the need for a full custom engine loom by using the compatible OEM wiring loom.

Optional Bosch LSU 4.2 Lambda Upgrade
A Bosch LSU 4.2 wideband lambda sensor and matching connector can be added as an optional extra if required.

Ecumaster EMU Classic Specification

The Ecumaster EMU Classic is a standalone engine management system designed to control fuel, ignition, boost, and auxiliary systems on a wide range of engines.

Key EMU Classic features include:

• Built-in 4 bar MAP sensor
• Built-in Bosch LSU 4.2 wideband lambda controller
• Bosch LSU 4.2 wideband sensor support
• CAN bus communication with additional module
• Drive-by-wire throttle support with additional module
• Flex fuel support
• Launch control
• Flat shift / gear cut
• Traction control strategies
• Boost control
• Knock control
• Closed-loop fuel control
• Closed-loop boost control
• Sequential injection support
• Configurable inputs and outputs
• Motorsport functions including anti-lag, pit limiter, and map switching
• USB tuning connection
• Windows-based tuning software

Optional Lambda Upgrade

An optional Bosch LSU 4.2 wideband lambda sensor and matching connector can be added to this kit if required.

Adding the lambda option allows the Ecumaster EMU Classic to use wideband lambda feedback for accurate air/fuel ratio monitoring and closed-loop fuel control, making it a useful upgrade for standalone BMW M50 builds.

Kit Includes

• 1 × Ecumaster EMU Classic standalone ECU
• 1 × BMW M50 pre-built plug-and-play adaptor

Optional Extras

• Bosch LSU 4.2 wideband lambda sensor
• Matching lambda connector

Available Options

Engine / Loom Type

• M50 VANOS
• M50 Non-VANOS

Lambda Option

• No Lambda
• Add Bosch LSU 4.2 Lambda Sensor & Connector

Suitable Applications

• BMW M50B25 DME 3.1
• BMW M50B25TU DME 3.3.1
• BMW M50 VANOS applications
• BMW M50 Non-VANOS applications
• Standalone ECU conversions
• Engine swaps, track cars, drift cars, and motorsport builds

Important Notes

• Please specify whether you require VANOS or Non-VANOS when purchasing
• Supplied with a pre-built, ready-to-fit plug-and-play adaptor, not loose connectors and wires
• Bosch LSU 4.2 wideband lambda sensor and connector are optional extras and are not included unless selected
• This listing is for the EMU Classic ECU and adaptor kit
• Designed for compatible BMW M50 OEM engine looms
• Professional installation and mapping are strongly recommended
• A base map may require adjustment before use
• Final calibration should be carried out by a qualified mapper
• Some functions may require additional wiring, sensors, or modules
• CAN and drive-by-wire functionality on EMU Classic require additional modules where applicable

Lead Time Note

Please note there may be a 5–7 working day lead time if the adaptor needs to be built to order. We will confirm availability and build status after purchase where required.

Motorsport Use Notice

This product is intended for motorsport, competition, and off-road use where permitted. Please ensure the product is suitable for your intended application and complies with any relevant rules, regulations, or emissions requirements before use.