BMW X6 M All E71 - 4.4 Turbo 555hp

Real standard and upgraded performance figures for the E71 - 4.4 Turbo 555hp engine in the BMW X6 M All.

The BMW X6 M All E71 - 4.4 Turbo 555hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.

Horsepower (HP)Torque (Nm)
Standard555680
Stage 1610800
Stage 2630840
Make
BMW
Model
X6 M
Generation
All
Engine
E71 - 4.4 Turbo 555hp
Fuel type
Turbo-Petrol

Frequently asked questions

Is Stage 1 tuning safe for the BMW X6 M All E71 - 4.4 Turbo 555hp?

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 E71 - 4.4 Turbo 555hp make after tuning?

Standard output is 555 HP / 680 Nm; Stage 1 on this engine typically reaches 610 HP / 800 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a BMW X6 M All E71 - 4.4 Turbo 555hp 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 E71 - 4.4 Turbo 555hp 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.