MED17.8.3 Tune JLR AJ126 Tune

$550.00 USD

Tune.Red tuning for JLR AJ126 / 306PS 3.0L supercharged V6 engines with Bosch MED17.8.3. Stage 1 and Mild options for the 340 hp version; Stage 1 and Strong options for the 380 hp version. 2018 F-TYPE 400 SPORT: Stage 1 available — contact us before ordering.

Description

MED17.8.3 JLR AJ126 Tune

Tune.Red ECU tuning for the Jaguar Land Rover AJ126 / 306PS 3.0-litre supercharged petrol V6 equipped with Bosch MED17.8.3.

Available tuning versions

340 hp factory version

  • Stage 1: +60 hp (+44.7 kW) and +33.9 ft-lbs (+46 Nm)
  • Stage 1 — Mild: +40 hp (+29.8 kW)

380 hp factory version

  • Stage 1: +20 hp (+14.9 kW) and +27.3 ft-lbs (+37 Nm)
  • Stage 1 — Strong: +35 hp (+26.1 kW) and +47.9 ft-lbs (+65 Nm)

400 hp factory version — 2018 Jaguar F-TYPE 400 SPORT only

Stage 1 available — contact us before ordering.

Please include your vehicle model, model year, factory power rating and requested tuning level in the order notes.

Gains are increases over factory output. Results depend on vehicle condition, hardware, fuel and testing conditions.

Engine specifications

  • Family: Jaguar Land Rover AJ126
  • Engine code: 306PS
  • Displacement: 2,995 cc (3.0L)
  • Configuration: 90-degree V6, petrol, DOHC, 24 valves
  • Boost: belt-driven Roots-type TVS supercharger with water-cooled charge cooling
  • Fuel system: direct injection
  • Controller covered: Bosch MED17.8.3

Controller identification: AJ126 applications also use MED17.8.31. This listing covers MED17.8.3; confirm the ECU hardware/software identification before ordering. Model listings refer to AJ126-equipped versions, not every engine offered in those chassis.

Supported applications are listed in the Models tab.

Engine specifications and model references: JLR AJ126 3.0 Supercharged V6 Engine Reference Guide.

Engine and controller identification

Engine family Jaguar Land Rover AJ126
Engine code 306PS
Engine 2,995 cc 3.0L supercharged petrol V6
Controller covered Bosch MED17.8.3

AJ126 applications also use Bosch MED17.8.31. Confirm the ECU hardware/software identification before ordering; MED17.8.31 is a distinct controller variant.

AJ126 / 306PS applications

Jaguar and Land Rover AJ126-equipped model references. This product requires a confirmed Bosch MED17.8.3 controller; MED17.8.31 is not automatically covered.

Model / version Chassis Model years Factory power
Jaguar XE · 35t X760 2017–2018 340 hp
Jaguar XE · S X760 2018–2019 380 hp
Jaguar XF · 3.0 SC X250 2013–2015 340 hp
Jaguar XF · 35t X260 2016–2017 340 hp
Jaguar XF / Sportbrake · S X260 2016–2020¹ 380 hp
Jaguar F-PACE · 35t X761 2017 340 hp
Jaguar F-PACE · S X761 2017–2020 380 hp
Jaguar F-TYPE · V6 / P340 X152 2014–2020 340 hp
Jaguar F-TYPE · S / P380 X152 2014–2021 380 hp
Jaguar F-TYPE · 400 SPORT X152 2018 400 hp
Jaguar XJ · 3.0 SC X351 2013–2019 340 hp
Range Rover · 3.0 SC L405 2014–2019 340 hp
Range Rover · HSE 3.0 SC L405 2016–2019 380 hp
Range Rover Sport · 3.0 SC L494 2014–2019 340 hp
Range Rover Sport · HST / HSE Dynamic L494 2016–2019 380 hp
Range Rover Velar · P380 L560 2018–2020 380 hp
Land Rover Discovery · 3.0 SC L462 2017–2020 340 hp
Land Rover LR4 · 3.0 SC L319 2014–2016 340 hp

¹ XF Sportbrake S starts in 2018 in North America. Availability varies by market and trim; only AJ126-equipped versions are listed. The 400 hp version is the 2018 F-TYPE 400 SPORT only.

Reference: JLR AJ126 Engine Reference Guide.

Supported OBD tools

  • Magic Motorsport Flex
  • Alientech KESS
  • Alientech PowerGate 4
  • Autotuner Tool

Supported Bench (Closed) tools

  • Magic Motorsport Flex
  • Alientech KESS
  • Autotuner Tool

Supported Boot (Open) tools

  • Magic Motorsport Flex
  • Alientech KESS
  • Autotuner Tool

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