Home Services
Mobile Services & Areas ECU Remapping Diagnostics Repairs & Servicing Custom Exhausts Hardware Installs DPF Solutions EGR Solutions AdBlue & NOx MOT & Inspections Underside Restoration
Builds Contact
Home / ECU Remapping / MINI JCW Convertible
B48/B46 Engine

MINI JCW Convertible

F57

The F57 JCW Convertible. All the performance of the JCW hatch with the roof down. Responds well to ECU remapping at all stages.

231 Stock BHP
290 Stage 1 BHP
350+ Stage 3 Ceiling
Enquire Now →
MINI JCW Convertible F57
Performance Stages

B48/B46 Tuning Stages

All power figures are average estimates based on typical results. Actual gains depend on vehicle condition, fuel quality and supporting modifications.

01

Stage 1

270-290 bhp

Software only. No hardware changes required. Custom ECU calibration on fully standard engine.

  • Custom map written in-house
  • No additional parts needed
  • Fully reversible
02

Stage 2

300-320 bhp

Calibrated for bolt-on modifications. Downpipe, intake and supporting hardware.

  • Requires supporting hardware
  • Mapped to your specific mods
  • Data-logged and validated
03

Stage 3

350+ bhp

Full custom calibration for serious builds. Hybrid turbos, uprated fuelling and bespoke mapping.

  • Hybrid or upgraded turbo
  • Uprated fuel system
  • Bespoke build calibration

Ready to Tune Your JCW Convertible?

Get in touch to discuss your build. Every map is written in-house and tailored to your car.

Enquire Now → Back to ECU Remapping →