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BMW 3 serie
318i 118hp ( 118 PS / 87 kW ) — Tuning File

118 PS stock power · E46 - 1998 - 2005 (1998-2005) · Gasoline
Vehicle Data
BrandBMW
Model3 serie
GenerationE46 - 1998 - 2005
Year1998-2005
FuelGasoline
Displacement1,895.0 L
Engine CodeM43B19
ECUBosch BMS46, Bosch ME9, Bosch ME9.2, Continental MS43
Stock Power118 PS
Stock Torque180 Nm
Tuning Potential
STAGE1
127 PS +9
Power
194 Nm +14
Torque
+9 PS
Gain
STAGE2
131 PS +13
Power
200 Nm +20
Torque
+13 PS
Gain
Available Options
E85 Flexfuel Exhaust flaps open Lambda OFF Pop & Bang Vmax OFF
ECU Remap — BMW 3 serie 318i 118hp ( 118 PS / 87 kW )

The BMW 3 serie 318i 118hp ( 118 PS / 87 kW ) (Gasoline, 118 PS) can be tuned with a Stage 1 ECU remap to 127 PS — a gain of +9 PS without any hardware modifications. Our tuning files target the original ECU software and optimise parameters such as injection timing, boost pressure and fuel maps to unlock the full performance potential.

All tuning files at ecufiles.io are developed and tested by experienced engineers. The original ECU file is always preserved — the remap is 100% reversible at any time.

Frequently Asked Questions
What does an ECU remap do on the BMW 3 serie 318i 118hp ( 118 PS / 87 kW )?
An ECU remap (chiptuning) modifies the engine control unit software to optimise parameters like injection timing, turbo boost pressure and fuel delivery. On the 318i 118hp ( 118 PS / 87 kW ), this typically results in more power, better throttle response and improved fuel efficiency at part load.
How much power gain is possible with Stage 1 on the 318i 118hp ( 118 PS / 87 kW )?
Stage 1 brings the 318i 118hp ( 118 PS / 87 kW ) from 118 PS to 127 PS — a gain of +9 PS. No hardware modifications are required, making it the most popular and cost-effective tuning option.
Is chiptuning reversible on the BMW 3 serie?
Yes. We always save the original ECU file before applying any remap. The tuning can be fully reversed to factory settings at any time.
How fast do I receive the tuning file?
We process orders Monday to Friday from 08:00–20:00 and Saturday from 10:00–16:00. Most tuning files for the BMW 3 serie are delivered within 1–3 hours after uploading your original file.

Order Tuning File for BMW 3 serie

Upload your original file — we deliver the right tuning file for your 318i 118hp ( 118 PS / 87 kW ). Fast, secure, credit-based. B2B access for chiptuning professionals.

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