This is a custom tuning file for a BMW 316d/318d/320d/325d/330d/335d/520d/525d/535d/435d/430d/420d stage1/stage2. F SERIES MODELS ONLY

Alpine’s performance tuning for BMW F Series diesel vehicles involves recalibrating the engine management system to optimize parameters such as fuel injection timing, turbocharger boost pressure, and torque delivery. This tuning aims to enhance engine power and torque output, improve throttle response, and potentially increase fuel efficiency. Additionally, Alpine may adjust transmission settings to complement the engine upgrades, providing a more engaging and responsive driving experience. It’s essential to choose a reputable tuner like Alpine and ensure that the modifications are compatible with the vehicle’s hardware to maintain reliability and safety.

All 25d models included but price varies by software version.

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.