The BMW X3 3.5i 306hp (F25 - 2011 - 2017) produces 306bhp and 400Nm in standard form. A Stage 1 ECU remap can raise output to 365bhp and 520Nm, a gain of 59bhp and 120Nm, with no hardware modifications required.
Interested in a Stage 1 remap for your BMW X3? Get in touch and we will discuss the best options for your vehicle.
JSM Diagnostics comes to you. Mobile ECU remapping across Medway and the surrounding areas.
Call us: 07711 934 905
Mon – Fri: 8:30am – 5:30pm