800+ dealers & 1000+ Installation Centres
 UK’s Largest Remapping Service & Dealer Network
 IMI Professionally Qualified Technicians

jaguar - XJ - 4.2 SC - 390-BHP (03/2007 - 09/2009)

The graph above is an automated template to show the difference between original and tuned power and torque
Vehicle Picture
Vehicle: cars
Manufacturer: jaguar
Range: XJ
Model: XJ - 4.2 SC - 390-BHP (03/2007 - 09/2009)

Power (BHP)

Original Tuned Difference Increase
390 420 +30 7%

Torque (NM)

Original Tuned Difference Increase
541 565 +24 4%
Info: 120,000 miles are less desirable to tune, and performance gains cannot always be guaranteed

Quantum Tuning are the largest ecu remapping & chip tuning service dealer group, supplying 50,000 files annually to a network of 1,000 dealers in 95 countries.

All of our dealers have received thorough initial training and then receive ongoing technical development and support to ensure every aspect of the remap is completed in a safe and professional manner.

Find Vehicle's Potential

Useful Links

Contact Us

  • If you are interested in becoming a dealer or need further information, please contact our Dealer Support team
  • support@quantumtuning.co.uk
  • +44 (0)1895 323093
  • Performance Automotive Aftermarket Association
Our customer loves us!!
IMI Approved Professional Tuner
Secure Payment

2010 - 2024 © All Rights Reserved. Privacy Policy | Mission Statement