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BMW 3 serie M340i 374hp

G2x - 2019 ->

374 Original HP
420 Modified HP
500 Original NM
575 Modified NM
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BMW 3 serie

BMW 3 serie G2x - 2019 -> M340i 374hp

Key Specifications

Generazione G2x - 2019 ->
Carburante Petrol
Codice motore B58B30O1
ECU Bosch MG1CS024 / Bosch MG1CS003 / Bosch MG1CS201
Rapporto compressione 11.0:1
Alesaggio x Corsa 82.0 X 94.6 mm
Power 374 → 420 hp +46 hp
Torque 500 → 575 Nm +75 Nm
Power
420 HP
+46 HP (+12.3%)
Original 374 HP
Stage 1 420 HP
Torque
575 NM
+75 NM (+15%)
Original 500 NM
Stage 1 575 NM

Power Graph

Original Power 374HP
Original Torque 500Nm
Power After Remap 420HP
Torque After Remap 575Nm

Discover Our Tuning Solutions

Frequently Asked Questions - BMW 3 serie

The cost of Stage 1 tuning for BMW 3 serie M340i 374hp varies depending on the ECU (Bosch MG1CS024 / Bosch MG1CS003 / Bosch MG1CS201) and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for BMW 3 serie 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 374 to 420 HP (+12%) is within safe parameters.

With Stage 1 tuning, BMW 3 serie goes from 374 HP to 420 HP (+46 HP) and from 500 Nm to 575 Nm (+75 Nm).

Stage 1 remapping takes it from 374 HP to 420 HP (+46 HP, +12%) and torque from 500 Nm to 575 Nm (+75 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 3 serie M340i 374hp
+46 HP
420 HP