TDI Tuning | Land Rover Discovery 3.0 D300 MHEV CRTD4 TWIN Channel Diesel Tuning Box Chip
Section product details
CRTD4 TWIN Channel Diesel Tuning Box Chip
Land Rover Discovery 3.0 D300 MHEV
+ Add Ons
performance gains
Power increase:
Torque increase:
- Power:
- Torque:
Fuel efficiency increase:
7 Bespoke Programs
We've developed 7 versions of our unique engine map for your exact vehicle to ensure you find the best program to suit your driving style.

Product Information
£295.99
Improved Fuel Efficiency:
TDI-Tuning boxes increase power and fuel efficiency simultaneously using a model variant specific map.
5 Year Product Warranty:
The CRTD4 comes with a 5 year product warranty as standard. The warranty covers the full workings of the CRTD4.
Traceless removal:
Our products remove without leaving any trace behind, returning the vehicle to its factory standard condition.
Reprogrammable:
Our tuning boxes can be used on future vehicles via a low cost reprogramme service with a 7 working day turnaround.
Engine safe:
Our products integrate with your engine via the fuel and turbo sensors, ensuring your ECU is always in control and no damage can come to your engine.
Custom programme:
The software our tuning boxes utilise is completely custom to the specific engine variant. Nothing generic.
Simple install:
Easily installed in under 30 minutes requiring no specialist tools or mechanical ability and absolutely no physical modifications to the engine.
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Installation
TDI Tuning digital tuning boxes come pre-programmed for your engine - you just plug it in, secure it with the supplied cable ties and drive off to enjoy an immediate and significant increase in performance.
Tuning boxes come complete with fitting instructions, TDI Tuning also have step-by-step fitting videos available for many of our most popular vehicles.
If you need an expert to help you with your fitting then a TDI Tuning engineer is only a phone call away.
We offer a free installation service at our HQ in Chelmsford, Essex. TDI Tuning also have a network of partner garages across the UK. For a small fee TDI Tuning can organise installation at your local fitter.