This is an ECU remap  for the BMW F8X M3 & M4 with the S55 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 Xatrix520 can be applied on stock engines with no additional hardware requirement.

Specifications

• Up to  89 HP gain in performance
• Up to 130 Nm increase in Torque
• Enhancements in the Air/Fuel Ratio
  
• Removal of top speed limiter  

• BMW F80 M3 Saloon (2012-2018)
• BMW F82 M4 Coupe (2013-2018)
• BMW F83 M4 Convertible (2013-2018)

Part  Number

XM0002