BMW S58 Kagan Custom Tuning (G80/82 M3/M4, X3M, X4M) consist of these variations and more.

• Stock Fuel System, Port Injection

• Full E85 (Stock Fuel System/Stock Turbo or Fuel System Upgrade/Aftermarket Turbo)

• Pump Gasoline - 91 Oct, 93 Oct, E30, E50
  

• Requires MHD+ & a Femtoevo UNLOCKED DME
  

• These are the average results that can be expected with stock turbo on an average reading Dynojet in good ambient conditions:

  • E50-E60: 680+whp (Modifications will vary in power output)

  • 93 Octane Pump Gas: 590-620+whp (Modifications will vary in power output)

NOTE: By purchasing this custom tune, you agree to our Conditions / Vehicle Compliance Waiver.

This is a digital file. Therefore there can be no refunds or warranty claims per our Return Policy.  By purchasing the e-tune you acknowledge this fact and agree with our Terms and Conditions / Vehicle Compliance Waiver. E-tunes must be paid in full and scheduled before any service is provided