<h4>What is it<br> </h4> <p><span></span>Designed for true driving enthusiasts, these OEM upgrades bring the dynamics and enhanced performance of the iconic M4/M3 CSL and CS models into your vehicle. <br><br>Experience the pinnacle of engineering with precision-coded software that optimizes key ECUs, delivering unparalleled responsiveness, sharper handling, and a more exhilarating drive.</p> <h4>Technical Stuff<br> </h4> <p>This software can be applied to any G8X M2/M3/M4 and the software coded into the following ECU’s</p> <div dir="auto"> <strong>CSL/CS Transmission Flash</strong> - Responsive gear changes and a refined feel in Sport and Sport+ modes. The update also enhances exhaust burble characteristics, delivering the distinctive acoustic signature of the CS/CSL, ensuring every drive feels track-inspired and performance-focused</div> <div dir="auto"><br></div> <div dir="auto"> <strong>CSL/CS Electronic Power Steering</strong> - Stiffened feel to steering for improved control and handling with more advanced power assist.</div> <div dir="auto"><br></div> <div dir="auto"> <strong>CSL/CS Traction Control</strong> - More slip in MDM before power is cut/reduced and allows improved traction control setting and drift characteristics.</div> <div dir="auto"><br></div> <div dir="auto"> <h4>Compatibility</h4> </div> <div>2021+<strong><span> G80/G81 </span>BMW<span> </span></strong>M3</div> <div> <span>2021+</span><strong><span> G82/G83 </span>BMW<span> </span></strong><span>M4</span> </div> <div><span>2023+<strong> G87 BMW </strong>M2</span></div> <div> <h4> <br>Requirements<br> </h4> <p><span>With this service we will require you to book the vehicle in question in with us for an appointment, once your order has confirmed, you will receive a booking confirmation email including address and appointment time selected by yourself</span></p> </div>