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BMW 3 serie M3 420hp

E90/E91 - 2010 - 2011

420 Original HP
440 Modified HP
400 Original NM
430 Modified NM
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BMW 3 serie

BMW 3 serie E90/E91 - 2010 - 2011 M3 420hp

Key Specifications

Generazione E90/E91 - 2010 - 2011
Carburante Petrol
Power 420 → 440 hp +20 hp
Torque 400 → 430 Nm +30 Nm
Power
440 HP
+20 HP (+4.8%)
Original 420 HP
Stage 1 440 HP
Torque
430 NM
+30 NM (+7.5%)
Original 400 NM
Stage 1 430 NM

Power Graph

Original Power 420HP
Original Torque 400Nm
Power After Remap 440HP
Torque After Remap 430Nm

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Frequently Asked Questions - BMW 3 serie

The cost of Stage 1 tuning for BMW 3 serie M3 420hp varies depending on the ECU 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 420 to 440 HP (+5%) is within safe parameters.

With Stage 1 tuning, BMW 3 serie goes from 420 HP to 440 HP (+20 HP) and from 400 Nm to 430 Nm (+30 Nm).

Stage 1 remapping takes it from 420 HP to 440 HP (+20 HP, +5%) and torque from 400 Nm to 430 Nm (+30 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 M3 420hp
+20 HP
440 HP