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BMW Z3 1.8i 118hp

All

118 Original HP
129 Modified HP
180 Original NM
200 Modified NM
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BMW Z3

BMW Z3 All 1.8i 118hp

Key Specifications

Generazione All
Carburante Petrol
Codice motore M43B18
ECU Bosch M5.2 / Bosch BMS46
Rapporto compressione 9.7:1
Alesaggio x Corsa 84.0 X 81.0 mm
Power 118 → 129 hp +11 hp
Torque 180 → 200 Nm +20 Nm
Power
129 HP
+11 HP (+9.3%)
Original 118 HP
Stage 1 129 HP
Torque
200 NM
+20 NM (+11.1%)
Original 180 NM
Stage 1 200 NM

Power Graph

Original Power 118HP
Original Torque 180Nm
Power After Remap 129HP
Torque After Remap 200Nm

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Frequently Asked Questions - BMW Z3

The cost of Stage 1 tuning for BMW Z3 1.8i 118hp varies depending on the ECU (Bosch M5.2 / Bosch BMS46) and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for BMW Z3 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 118 to 129 HP (+9%) is within safe parameters.

With Stage 1 tuning, BMW Z3 goes from 118 HP to 129 HP (+11 HP) and from 180 Nm to 200 Nm (+20 Nm).

Stage 1 remapping takes it from 118 HP to 129 HP (+11 HP, +9%) and torque from 180 Nm to 200 Nm (+20 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 Z3 1.8i 118hp
+11 HP
129 HP