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BMW 3 serie 318i 136hp

E46 - 1998 - 2005

136 Original HP
148 Modified HP
180 Original NM
195 Modified NM
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BMW 3 serie

BMW 3 serie E46 - 1998 - 2005 318i 136hp

Key Specifications

Generazione E46 - 1998 - 2005
Carburante Petrol
Codice motore N46B20
ECU Bosch ME9
Rapporto compressione 9.7:1
Alesaggio x Corsa 85.0 X 83.5 mm
Power 136 → 148 hp +12 hp
Torque 180 → 195 Nm +15 Nm
Power
148 HP
+12 HP (+8.8%)
Original 136 HP
Stage 1 148 HP
Torque
195 NM
+15 NM (+8.3%)
Original 180 NM
Stage 1 195 NM

Power Graph

Original Power 136HP
Original Torque 180Nm
Power After Remap 148HP
Torque After Remap 195Nm

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Frequently Asked Questions - BMW 3 serie

The cost of Stage 1 tuning for BMW 3 serie 318i 136hp varies depending on the ECU (Bosch ME9) 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 136 to 148 HP (+9%) is within safe parameters.

With Stage 1 tuning, BMW 3 serie goes from 136 HP to 148 HP (+12 HP) and from 180 Nm to 195 Nm (+15 Nm).

Stage 1 remapping takes it from 136 HP to 148 HP (+12 HP, +9%) and torque from 180 Nm to 195 Nm (+15 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 318i 136hp
+12 HP
148 HP