MINI JCW

PERON Stage 2 ECU Tune | Mini F5x / B48 JCW

Regular price £450.00 GBP ex vat

Wish to discuss your performance goals with our in-house calibration team or book a tuning slot?

Product Details

  • Type Tuning Calibration (ECU)
  • Peak Power 233 to 315 bhp
  • Peak Torque 246 to 350 ft-lb
  • Engine B48
  • ECU Type Bosch MEVD17
  • Dynograph Download

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.

 

 

Porsche 991.2 GT3 RS on the in-house Dynojet 424x Linked Dyno Cell, featuring Akrapovic exhaust during performance testing and tuning by PERON Automotive.

Why PERON Tuning?

PERON Tuning represents the research and development arm of PERON Automotive Ltd., founded on a vision to set new standards in performance engineering. Spearheaded by Charlie Orpen, this journey has brought together one of the UK’s premier aftermarket facilities with a team of top-tier talent, uniting software and hardware under one roof to ensure quality control from start to finish. Charlie is joined by two of the industry’s finest engineers: Nicholas Kasberger, renowned for his expertise in reverse engineering and ECU calibration, and James Howarth, a leader in hardware design, fabrication, and turbo hardware.

Operating from a state-of-the-art facility equipped with a dyno cell, CNC machining, tool manufacturing, and robotic welding, PERON Tuning delivers market-ready calibration solutions and turbo hardware that empower hundreds of dealers worldwide. With a combined 50 years of experience—half of it spent supporting high-volume calibrations behind the scenes—PERON Tuning’s focus has always been on Porsche and Volkswagen Audi Group applications. While contractual private label agreements have limited what could be shared publicly, PERON Tuning now uses this platform to showcase their journey, offering exclusive insights into daily development case studies.