840i / 840i xDrive 840i / 840i xDrive B58B30 335HP Petrol
BMW 8 Series GC G16
- Stock Baseline
- 335 hp Factory torque: 450 Nm
- Stage 1 Road Remap +85 HP GAIN
- 420 hp 620 Nm (+170 Nm gain)
- Stage 2 Hardware Build
- 450 hp Hardware modifications must be verified before calibration.
Petrol
Engine: B58 / B58B30
In-House Dyno Workshop:
South Wales Dyno Centre in Cowbridge (12 miles from Barry · 15 miles from Cardiff). Pre-tune health checks, smoke testing and rolling road logging included.
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