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Power Increase Search

The most detailed tuning search on the market. Far more than power figures: the exact OBD cable for your vehicle, the tool we recommend, and every remap available.

  • Verified gains & dyno
  • Exact OBD cable
  • Recommended tool
  • EGR · DPF · AdBlue off

Search 39,000+ vehicle / ECU combinations

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Start by choosing the vehicle category before we surface the matching brands.

BMW 4 Series tuning

32 tuning configurations for the BMW 4 Series. Select your exact engine to see gains, options and connection details. Power gains up to +90 HP.

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BMW 4 Series

BMW 4 Series tuning at a glance

Our catalogue covers 32 BMW 4 Series engine variants, each with stock and tuned figures sourced from the remap database. The largest verified gain on the BMW 4 Series is +90 HP.

Most popular BMW 4 Series engines for remapping

The BMW 4 Series range splits into 12 diesel, 19 petrol variants. Every figure above comes straight from our vehicle database. Pick your exact engine to see the stage-1 numbers.

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