# MMR +70cv additional box - BMW M2 CS G87 530cv (2025–2026)

> Unlock up to 70cv of additional power in your BMW M2 CS G87 with the MMR Performance MMR50-1614 aftermarket control unit. More power, more torque, and a fully reversible installation

- URL: https://www.gt2i.ch/en/boitiers-additionnels/217192-mmr-70cv-additional-box-bmw-m2-cs-g87-530cv-20252026-3666618839677.html
- Reference: MMR50-1614
- Price: CHF 1,006.05
- Regular price: CHF 1,059.00
- Brand: MMX Performance - MMR
- Availability: out of stock

## Description

The MMR aftermarket ECU for the BMW M2 CS G87 was developed by MMX Performance to fully exploit the potential of the S58 engine while maintaining the safety features of the original ECU. Its advanced electronics work in parallel with BMW’s engine management system to optimize various parameters in real time, such as boost pressure, ignition, and fuel injection.

Developed following extensive validation testing on the road, track, and engine test bench, the PCM delivers a significant performance boost and an increase of over 100 Nm in torque while maintaining smooth and reliable operation.

The kit includes a vehicle-specific Plug & Play wiring harness, a machined aluminum control unit with integrated cooling, and a carbon-fiber mounting bracket for seamless integration into the engine compartment.

A high-end range of solutions designed for BMW M2 G87 owners who want to enjoy superior performance while maintaining a fully reversible installation.
 
Significant increase in power and torque
Quick installation; removable and undetectable.
Removable and undetectable after removal
CNC-machined solid aluminum housing
Glossy black MMX anodized finish
Developed, calibrated, and hand-assembled in the United Kingdom
Vehicle-specific mapping
Dedicated plug-and-play wiring harness

The unit is housed in a superb machined aluminum housing, featuring fins to ensure adequate cooling, as well as a stunning carbon fiber mounting bracket that allows it to be securely mounted in your engine compartment.
Important Information: Aftermarket control units modify the engine’s operating parameters and may alter the vehicle’s performance characteristics (power, torque, emissions, etc.). Installing them may render the vehicle non-compliant with its original approval and prohibit its use on public roads under applicable regulations. These products are intended for use on a racetrack or in accordance with applicable laws.

## Features

- Product type: Additional box