Jaguar S-Type 4.2 V8 supercharged 396 hp — Stage 1 file (+70 hp)
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Stage 1 file for Jaguar S-Type 4.2 V8 supercharged 396 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Jaguar S-Type 4.2 V8 supercharged 396 hp ECU
Jaguar S-Type (1999 - X200) 4.2 V8 supercharged 396 hp — premium petrol engine of the passenger segment of the Tata Motors (Jaguar Land Rover) group (Великобритания, 1922). Stage 1 chip tuning raises power from 396 to 466 hp (+70 hp, +18%) and torque from 541 to 630 Nm (+89 Nm). ECU — Denso MB279700. Flashing method: OBD or Bench depending on the unit's protection. The 1999 generation — old-era petrol ECUs (ME7/ME9/MED9/Simos) with easily readable memory.
Jaguar shares platforms and engines with Land Rover within JLR. Jaguar Ingenium is JLR's modern modular engine family. Jaguar is a British premium manufacturer, founded in 1922. Jaguar's petrol range spans turbocharged Ingenium units and supercharged V6/V8 engines. The supercharged Jaguar V8 has significant potential with hardware upgrades. Jaguar shares some ECUs with Ford (a Visteon legacy).
The Jaguar community is a premium chip tuning niche in the UK and Europe. The supercharged Jaguar V8 comfortably reaches Stage 2 with the right hardware. The top Jaguar SVR engines (supercharged V8) mark the ceiling of British premium performance.
Frequently asked questions
How much does the power of the Jaguar S-Type 4.2 V8 supercharged 396 hp increase after Stage 1?
After Stage 1 the power of the Jaguar S-Type 4.2 V8 supercharged 396 hp rises from 396 to 466 hp, a gain of 70 hp (+18%). Torque rises from 541 to 630 Nm (+89 Nm).
How does Stage 1 differ from stock on the Jaguar S-Type?
Stage 1 chip tuning of the Jaguar S-Type is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +70 hp with no hardware changes.
What is the Stage 1 potential of the Jaguar S-Type 4.2 V8 supercharged 396 hp?
Stage 1 for the Jaguar S-Type 4.2 V8 supercharged 396 hp unlocks the potential built in by the factory but artificially capped to meet mass-market targets. A base of 750-800 hp is achievable once hardware is added.
How much does Stage 2 add on the Jaguar S-Type?
Stage 2 on the Jaguar S-Type 4.2 V8 supercharged 396 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Which ECU is fitted to the Jaguar S-Type 4.2 V8 supercharged 396 hp?
The Jaguar S-Type 4.2 V8 supercharged 396 hp ECU is the Denso MB279700. Production versions support OBD access; locked variants require Bench (BDM/JTAG).
What happens to the Jaguar S-Type warranty after chip tuning?
The factory warranty of the Jaguar S-Type does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Jaguar S-Type take?
On the Jaguar S-Type 4.2 V8 supercharged 396 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Jaguar S-Type?
Yes, the original ECU firmware of the Jaguar S-Type 4.2 V8 supercharged 396 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Jaguar S-Type?
Stage 1 for the Jaguar S-Type 4.2 V8 supercharged 396 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.