Vehicle details

BMW 3 Series323i 170 bhp

BMW
Available Services
Rev Limit removal
VMax removal
  • Model

    BMW 3 Series

  • Variant

    323i 170 bhp

  • Years

    1998-2005

  • Fuel

    Petrol

  • Engine Size

    2494

  • ECU Type

    Siemens MS41/42

Celtic Tuning's economy software is designed to improve fuel efficiency during normal daily driving, specifically under part-throttle conditions.

It delivers a smoother power curve and improved fuel economy, though actual savings and performance gains will depend on factors such as driving style, road conditions, and vehicle load.

Original Modified Difference
170

bhp

185

bhp

+15

bhp

245

Nm

266

Nm

+21

Nm

Stage Notes

This Stage 1 ECU remap, developed by Celtic Tuning, is designed to safely improve your vehicle's power and torque whilst maintaining standard components and remaining within tolerances.

It's the perfect balance of increased power and day-to-day usability, which is ideal for those who want extra performance but not at the cost of additional hardware or reliability.