This is an ECU remap for the BMW F3X 340i & 440i with the B58 engine by Xatrix. For track and street use, power delivery is smooth, sharp, and consistent. Suitable for stock models.

The installation of this Xatrix remap will be conducted at the Xatrix garage in Unit 3 Cutler Heights Business Park, Bradford. Please contact us after purchasing to schedule a fitment.

The X400 can be applied on stock engines with no additional hardware requirement.

Specifications

• Up to 74 HP gain in performance on stock vehicles
• Up to 130 Nm increase in Torque
• Enhancements in the Air/Fuel Ratio
  
• Removal of top speed limiter  

• BMW 3 Series F30 LCI €ƒ (03/2015 €” 10/2018)
  
• 340i & 340ix
• BMW 3 Series F31 LCI €ƒ (01/2015 €” 06/2019)
  
• 340i & 340ix
• BMW 3 Series F34 GT LCI €ƒ (09/2015 €” 12/2019)
  
• 340i & 340ix
• BMW 4 Series F32 €ƒ (05/2015 €” 02/2017)
• 440i & 440ix
• BMW 4 Series F32 €ƒ (05/2015 €” 02/2017)
  
• 440i & 440ix
• BMW 4 Series F33 €ƒ (03/2015 €” 02/2017)
  
• 440i & 440ix
• BMW 4 Series F33 LCI €ƒ (05/2016 €” 12/2019)
  
• 440i & 440ix
• BMW 4 Series F36 Gran Coupé €ƒ (05/2014 €” 02/2017)
  
• 440i & 440ix
• BMW 4 Series F36 Gran Coupé LCI €ƒ (06/2016 €” 12/2019)
  
• 440i & 440ix

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