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Jaguar XJ X351 tune files, remaps & software solutions

5 engines · 2009–2009 · 10 ECU/TCU types · files for Autotuner, KESS3, Flex, Dimsport DFOX / New Genius, PCMflash, MMCFlash, BitBox and more

Custom files for the Jaguar XJ X351 built in WinOLS from your own read — not a generic file pulled from a database. Send the read from your tool and Josh builds the calibration for your exact software version, usually back within 10–20 minutes during file-service hours (9am–9pm Mon–Sat AEST), and supports it afterwards. Typical Stage 1 figures are shown per engine below and confirmed per calibration.

Jaguar XJ X351 2.0 TI petrol

Years2009
Stock power240 hp
Stock torque340 Nm
ECU / TCU types2
Stage 1 — typical+15% power / +20% torque → ~275 hp / 410 Nm

Controllers and read methods

  • Bosch MED17.0 TC1767 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD
  • Bosch MED17.9.7 TC1767 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Jaguar XJ X351 2.0d diesel

Years2009
Stock power163–180 hp
Stock torque380–430 Nm
ECU / TCU types1
Stage 1 — typical+20% power / +28% torque → ~195–215 hp / 485–550 Nm

Controllers and read methods

  • Bosch MEDC17.9 TC1793 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Towing and economy files
  • DPF, EGR and AdBlue software solutions, DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Jaguar XJ X351 2.0T petrol

Years2009
Stock power250 hp
Stock torque365 Nm
ECU / TCU types1
Stage 1 — typical+15% power / +20% torque → ~290 hp / 440 Nm

Controllers and read methods

  • Bosch MED17.9.9 TC1793 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Jaguar XJ X351 3.0 d diesel

Years2009
Stock power275 hp
Stock torque600 Nm
ECU / TCU types3
Stage 1 — typical+20% power / +28% torque → ~330 hp / 770 Nm

Controllers and read methods

  • Bosch EDC17C49 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD (BETA)
  • Bosch EDC17C79 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD (BETA)
  • Bosch EDC17CP11 TC1796 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOT

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Towing and economy files
  • DPF, EGR and AdBlue software solutions, DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Jaguar XJ X351 3.0 V6 supercharged petrol

Years2009
Stock power340 hp
Stock torque450 Nm
ECU / TCU types3
Stage 1 — typical+15% power / +20% torque → ~390 hp / 540 Nm

Controllers and read methods

  • Bosch MED17.8.3 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxOBD
  • Bosch MED17.8.31 TC1797 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHBOOTOBD
  • Bosch MED17.8.32 TC1793 AutotunerKESS3FlexDFOXPCMflashbFlashBitBoxBENCHOBD

What we build for this engine

  • Stage 1 and Stage 2 calibrations built from your read
  • Pops and bangs, launch and rev-limit changes where the platform allows
  • Catalyst, flap and DTC work
  • WinOLS map packs and DAMOS where we hold our own definitions

Jaguar XJ X351 FAQ

Do you have a tune file for the Jaguar XJ X351?

Yes — for every engine and ECU listed above. Files are built from your own read in WinOLS for your exact software version, not supplied from a generic database.

How do I get a Jaguar XJ X351 file?

WhatsApp the read to 0466 659 997 with the engine, ECU, your tool and what you want, or upload it at tacfiles.com for an automated return where a matching project exists.

What gains will a Jaguar XJ X351 Stage 1 give?

Typical Stage 1 figures are shown on each engine card above — measured on our dyno where marked, otherwise the typical gain for that engine class. Final numbers depend on the calibration and hardware, so we confirm per file. Reliability comes first — files stay inside what the engine, injectors and cooling handle comfortably.

Send your Jaguar XJ X351 read

WhatsApp 0466 659 997 with the engine, ECU, your tool and what you want. Hand-built files typically return in 10–20 minutes during file-service hours (9am–9pm Mon–Sat AEST).

Vehicle, ECU and read-method data compiled from the published compatibility lists of the flashing tools we work with (files are returned for Autotuner, KESS3, Flex, DFOX, PCMflash, bFlash, BitBox and more). Stock figures are manufacturer-published values as listed by those tools and may vary by market. All tuning files are intended for off-road, motorsport, agricultural or commercial use only; it is the responsibility of the vehicle owner to ensure compliance with local regulations.