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BMW 8 serie GC 840d 320hp

2019 ->

320 Original HP
400 Modified HP
680 Original NM
800 Modified NM
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BMW 8 serie GC

BMW 8 serie GC 2019 -> 840d 320hp

Key Specifications

Generazione 2019 ->
Carburante Diesel
Codice motore B57D30
ECU Bosch MD1
Rapporto compressione 16.5:1
Alesaggio x Corsa 84.0 X 90.0 mm
Power 320 → 400 hp +80 hp
Torque 680 → 800 Nm +120 Nm
Power
400 HP
+80 HP (+25%)
Original 320 HP
Stage 1 400 HP
Torque
800 NM
+120 NM (+17.6%)
Original 680 NM
Stage 1 800 NM

Power Graph

Original Power 320HP
Original Torque 680Nm
Power After Remap 400HP
Torque After Remap 800Nm

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Frequently Asked Questions - BMW 8 serie GC

The cost of Stage 1 tuning for BMW 8 serie GC 840d 320hp varies depending on the ECU (Bosch MD1) and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for BMW 8 serie GC typically takes 1-2 hours of work. Time may vary depending on the ECU type.

Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 320 to 400 HP (+25%) is within safe parameters.

With Stage 1 tuning, BMW 8 serie GC goes from 320 HP to 400 HP (+80 HP) and from 680 Nm to 800 Nm (+120 Nm).

Stage 1 remapping takes it from 320 HP to 400 HP (+80 HP, +25%) and torque from 680 Nm to 800 Nm (+120 Nm). These figures refer to the standard engine, with no hardware modifications.

A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.

With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.

Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.

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BMW
BMW 8 serie GC 840d 320hp
+80 HP
400 HP