Vehicle details

BMW 4 SeriesM4 Competition 503 bhp

Available Services

• Model

  BMW 4 Series

• Variant

  M4 Competition 503 bhp

• Years

  2020-now

• Fuel

  Petrol

• Engine Size

  2998

• ECU Type

  Bosch MG1C049

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.