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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