BMW X3 F25 - 2011 - 2017 3.5i 306hp

Real standard and upgraded performance figures for the 3.5i 306hp engine in the BMW X3 F25 - 2011 - 2017.

These are real standard and Stage 1 (and where available, Stage 2) figures for the BMW X3 F25 - 2011 - 2017 3.5i 306hp — not a generic estimate for the model range.

Horsepower (HP)Torque (Nm)
Standard306400
Stage 1365520
Stage 2394580
Make
BMW
Model
X3
Generation
F25 - 2011 - 2017
Engine
3.5i 306hp
Fuel type
Turbo-Petrol

Frequently asked questions

Is Stage 1 tuning safe for the BMW X3 F25 - 2011 - 2017 3.5i 306hp?

Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.

How much more power does the 3.5i 306hp make after tuning?

Standard output is 306 HP / 400 Nm; Stage 1 on this engine typically reaches 365 HP / 520 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a BMW X3 F25 - 2011 - 2017 3.5i 306hp remap take?

Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.

Can the 3.5i 306hp be reverted to its original file?

Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.