PERON Tuning Stage 2 ECU Calibration for MINI F5x/F6x B48 JCW

At PERON Automotive, our Stage 2 ECU tune for the MINI B48 JCW is the culmination of meticulous in-house development and rigorous testing with our global technical partners. This upgrade elevates the factory mapping to deliver significantly increased power and a more engaging drive, all while preserving OEM-level refinement and everyday usability.

Performance and Drivability

Stage 2 optimises mid-range torque delivery and maximises performance in harmony with supporting hardware upgrades. It integrates seamlessly with your MINI, providing a noticeably livelier yet smooth driving experience.

Expected Results

Power up to 290 hp–315 hp
Torque up to 335 lb-ft–350 lb-ft

Actual figures may vary slightly depending on fuel quality and vehicle condition.

Fuel Requirements

Optimised for 99 RON, yet fully compatible with 97–98 RON, ensuring a consistent, efficient power increase ideally suited to daily driving.

Recommended Hardware

OEM B48 JCW spark plugs (if not recently replaced)
Upgraded intercooler
High-flow panel air filter
Performance downpipe with sports catalyst

ECU Calibration Highlights

Torque and load mapping for smoother, more linear power delivery
Refined boost control for crisper turbo response and enhanced stability
Fuel-system calibration for safe, consistent output under varied conditions
Lambda (AFR) tuning to optimise both efficiency and power
Ignition-timing adjustment for peak performance on premium fuel
Raised stationary rev-limiter for a more dynamic exhaust note
Throttle-map refinement for precise, intuitive pedal response

Ready to unlock your MINI JCW’s full potential? Contact PERON Automotive today to book your Stage 2 ECU upgrade.

Mini - F56

PERON Stage 1 ECU Tune | Mini F5x / B48 JCW

PERON Stage 2 ECU Tune | Mini F5x / B48 JCW