Mini Cooper JCW F65 F66 F67 AC Schnitzer Tuning Module

Upgrade and Enhance The Power & Torque For Your Mini Cooper JCW F65 / F66 / F67. Increase of 36hp & 70nm of Torque. Full Warranty. Installation Available

Unlock the full potential of your Mini John Cooper Works with the AC Schnitzer Performance Upgrade Module — a precision-engineered tuning solution designed to enhance power, torque, and drivability without compromising OEM integrity.

Developed by AC Schnitzer, this system represents a refined approach to performance tuning. Rather than rewriting the factory ECU, the module works in harmony with the vehicle’s existing systems via an intelligent control unit and bespoke wiring harness. By monitoring and optimising key engine parameters such as boost pressure, rail pressure, and camshaft signals, it delivers a noticeable increase in performance while maintaining factory safety protocols.

Specifically engineered for the latest Mini JCW platforms, this upgrade enhances the characteristics of the 2.0L turbocharged engine, delivering stronger mid-range torque, improved throttle response, and a more progressive power curve. The result is a car that feels significantly more urgent and responsive, without sacrificing the everyday usability expected from a modern Mini.

Unlike generic tuning solutions, the AC Schnitzer module is developed to OEM standards, complete with TÜV approval and a dedicated warranty package. It is designed to integrate seamlessly with the vehicle’s electronics, ensuring reliability and consistency under all operating conditions.

• Stock: 170 kW / 231 hp & 380 Nm Torque
• AC Schnitzer: 196 kW / 267 hp & 450 Nm Torque

AC Schnitzer Tuning Module Vs Remap

A key consideration with the latest Mini F65, F66, F67 JCW platform is that the factory engine management system is currently locked, meaning traditional ECU remapping is not yet possible. As a result, a tuning module like this is presently the only viable way to safely increase power and torque on these vehicles. Unlike a full remap, which directly alters the ECU software, the AC Schnitzer module works externally by intelligently adjusting signals between sensors and the ECU. While this approach is typically less aggressive than a custom remap, it offers a far greater level of safety and reversibility — particularly important on newer platforms. Backed by TÜV approval, the system is engineered to operate within strict tolerances, maintaining the integrity of the engine while still delivering a meaningful performance increase.

It’s also worth addressing the common perception that tuning modules offer less value compared to remapping. While outright peak gains may be lower on paper, the AC Schnitzer system is designed with a completely different philosophy — prioritising consistency, reliability, and OEM-level integration over maximum output figures. This results in a smoother, more usable power delivery that enhances the driving experience in real-world conditions. When combined with its plug-and-play nature, warranty support, and the ability to return the vehicle to stock at any time, it becomes a far more refined and risk-conscious solution — particularly for owners of brand new or high-value vehicles who want performance without compromise.

For maximum performance, AC Schnitzer recommends the use of high-quality 98 RON fuel, ensuring the system operates at its full potential.

As the authorised AC Schnitzer dealer for the south of the UK, we are able to offer this kit fully installed with ourselves here in Poole.

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Top Features:

• Noticeable increase in power (36hp) and torque (80nm)
• Enhanced throttle response and drivability
• Plug & play installation with bespoke wiring harness
• Works in harmony with factory ECU (no remapping required)
• TÜV-approved with AC Schnitzer warranty support
• Optimised for Mini F65, F66 & F67 JCW models
• Maintains OEM safety parameters and reliability
• Developed and engineered in Germany

Installation

Professional fitting is essential for safety reasons to ensure you receive the ACS warranty benefits.

The AC Schnitzer Performance Module is designed as a plug-and-play system but still requires a high level of technical understanding for correct installation.

Installation involves integration with multiple engine sensors, including boost pressure, fuel rail pressure, and camshaft signals, along with routing and securing the dedicated wiring harness within the engine bay.

As with all electronic performance upgrades, correct installation is critical to ensure optimal performance and reliability. For this reason, we strongly recommend fitting by a Mini specialist or experienced performance workshop.

We’re happy to offer this system for installation at our workshop here in Poole, Dorset. For a quotation and lead time, please get in touch with your vehicle details to discuss further.

Compatibility:

• Mini Cooper JCW (F65) – 2024 to Present
• Mini Cooper JCW (F66) – 2024 to Present
• Mini Cooper JCW (F67) – 2024 to Present
• Engine: 2.0Li Turbocharged B48

This module only works with the latest generation F56 / F66 / F67 JCW Modules only. This is not suitable for the Cooper S models.

Please Note:

• The ACS Tuning Box includes a 3 Year Engine / Drivetrain warranty (From new. 60,000km limit and other conditions for JCW cars apply). Please get in touch if you would like to read the full warranty conditions..