BMW 8 serie

BMW 8 serie Stage 1

3 engines – 320–530 hp

3
engines
+122 hp
Max gain
+22%
Avg. gain
✓
Eco Tuning
EngineFuelStock (hp)Stage 1 (hp)Gain
M850i 530hpPetrol530652+122 (23%)
840d 320hpDiesel320403+83 (26%)
840i 340hpPetrol340401+61 (18%)

FAQ

Is Stage 1 safe for the engine?+

Yes, Stage 1 is a mild optimization within factory safety margins. We use dealer-level equipment and verify results on a dyno.

How long does it take?+

Usually 2–4 hours, including diagnostics, remapping, and a control measurement on our dynamometer.

Does it affect fuel consumption?+

Stage 1 can reduce consumption (better torque curve) or slightly increase it under aggressive driving. On average, consumption stays the same.

Book Stage 1

Free consultation and power gain estimate for your vehicle