19/06/2026
BMW 840i Custom Stage 2 — Dynojet Tested.
From stock to Stage 2, the difference is clear.
Stock: 305.87 PS / 456.41 Nm
Stage 2: 370.77 PS / 534.69 Nm
Gain: +64.90 PS / +78.28 Nm
Upgrades installed:
SpeedTune Catless Downpipe
Highflow Filter
Custom Stage 2 Tuning
Not just louder.
Not just “feel faster”.
This is proven with dyno data.
BMW owners, send us your model + year + current setup, we’ll advise whether Stage 1 or Stage 2 suits your car better.
WhatsApp: http://wa.me/60196922559