Jaguar XK 4.2 V8 Supercharged
ECU Remapping in Bedford

Jaguar XK 4.2 V8 Supercharged power and torque after remapping

• Fuel: Petrol
• Standard power: 420 bhp, remapped: 465 bhp (+45 bhp, +11%)
• Standard torque: 560 Nm, remapped: 665 Nm (+105 Nm, +19%)
• Service: stage 1 ECU remap, fully dyno tested

Petrol Jaguar XK: what changes with a remap

Factory petrol calibrations leave margin for poor fuel and hot climates. A remap tunes the ignition, fuelling and boost maps to make better use of that margin, which shows up as livelier throttle response and stronger acceleration.

How the Jaguar XK 4.2 V8 Supercharged compares

Ranked by power gain against the other petrol XK engines (2 in total), the 4.2 V8 Supercharged is 1st, 10 bhp above the XK petrol average of 35 bhp.

Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 45 bhp and 105 Nm sits at or above that benchmark.

Remapping your Jaguar XK in Bedford

Remap Experts has a dedicated Bedford site, so you deal with a local team backed by a national network. We regularly work with drivers in High Wycombe, Stevenage, Milton Keynes, Leighton Buzzard and Hemel Hempstead and nearby areas of the East of England.

Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.

If you are closer to Luton, Milton Keynes and Cambridge, those neighbouring Remap Experts sites can help too.