McLaren MP4-12C XperTune Performance Software

SKU: MCL.12C.ECU

McLaren MP4-12C XperTune Performance Software (2011-2014)

XperTune Performance software reprograms sensor inputs air/fuel ratios and boost pressure on the McLaren MP4-12C 3.8L Twin Turbo V8 for more horsepower torque and sharper driving response. This upgrade delivers 606 whp and 496 ft-lbs on average with peaks of +92 whp and +82 ft-lbs at 5900 RPM while maintaining reliability and daily driveability. It fits all 2011-2014 MP4-12C models whether stock or with exhaust Sport Cats turbos or bypass pipes.

Key Features

• Power Increases: From stock 555 whp/429 ft-lbs to tuned 606 whp/496 ft-lbs with maximum gains of +92 whp/+82 ft-lbs
• Custom Maps: Available for stock vehicles or those with Sport Cats Cat Bypass Pipes exhausts upgraded turbos and other bolt-ons
• Bench Flashing: Send your ECU for quick reprogramming and return with plug-and-play reinstallation no vehicle changes needed
• Reversible Tune: Fabspeed saves your factory ECU map for easy return to stock settings anytime
• Driveability Focus: Enhances throttle response boost control and overall dynamics without compromising reliability

Product Notes

• This upgrade requires sending your ECU with the ECU Information form for custom tuning
• Bolt-on upgrades yield higher gains but stock cars see substantial power increases too
• Shipping your ECU to Fabspeed is customer responsibility we return it tuned via the same method in 24-48 hours

Installation Notes

• Professional installation recommended.
• Remove ECU from vehicle ship to Fabspeed with completed ECU Information form then reinstall flashed unit
• No hardware modifications or vehicle alterations required

This Part Fits

Year	Make	Model	Submodel
2011-2014	McLaren	MP4-12C	3.8L Twin Turbo V8

Why Choose Fabspeed?

• Proven leader in McLaren performance tuning and exhaust systems
• Engineers deliver reliable power gains through precise ECU mapping
• Every tune preserves factory data for full reversibility and peace of mind

Frequently Asked Questions

• Q: Does this fit my 2012 McLaren MP4-12C?
  A: Yes it fits all 2011-2014 McLaren MP4-12C with 3.8L Twin Turbo V8 engines stock or modified
• Q: What power gains can I expect on a stock car?
  A: Average tuned output reaches 606 whp/496 ft-lbs up from stock 555 whp/429 ft-lbs with peaks of +92 whp/+82 ft-lbs
• Q: Is the tune reversible and what is the process?
  A: Yes Fabspeed saves your stock map for reversion. Ship ECU get emailed instructions flash takes 24-48 hours then ship back same method

Shipping & Handling

• Method: Customer ships ECU to Fabspeed we return tuned unit via matching service
• Availability: In stock – ships same or next business day
• Packaging: Secure ECU packaging