This is a custom tuning file for a BMW M135 MG1 ECU stage1.

The Alpine performance tuning file for a BMW F40 M135i Stage 1 typically optimizes the engine’s performance parameters such as fuel delivery, ignition timing, boost pressure, and other variables to increase power output and improve overall performance. This can result in increased horsepower and torque, improved throttle response, and a more dynamic driving experience compared to the stock configuration. However, it’s essential to ensure that the modifications are compatible with the vehicle’s hardware and that the tuning is done by a reputable tuner to maintain reliability and safety.

PLEASE NOTE . THIS FILE IS SPECIFICALLY DESIGNED FOR VEHCILES BUILT PRIOR TO JUNE 2020. VEHICLES NEWER THAN THIS REQUIRE THE FEMTO UNLOCK WHICH WE CAN ORGANISE VIA POSTAL SERVICE . IF IN ANY DOUBT SIMPLY EMAIL US

The file will be emailed to you upon receipt of you purchase. The turnaround time for a tuning file can be 1-2 working days.