Volvo S40 Diesel Tuning Box Chip

A diesel tuning box from TDI-Tuning offers unrivalled power, performance and fuel economy for your diesel vehicle.

Not only that our prices are some of the most competitive on eBay! With our products you can add an extra 25bhp / 50Nm of torque and improved MPG. The great news is, you can fit them yourself in a matter of minutes, with a few basic tools. So why not take a look around our eBay store and see what we can do for your vehicle and with a 3 year warranty and 14 day money back guarantee on every system, you can't go wrong.

Due to our nature of business, we cover a lot of miles. We use this opportunity to test and verify our products under many different conditions. Our cars are our pride and joy and therefore are never compromised! Whilst sourcing systems for our own cars, we spent a lot of time researching different devices that were not only reliable but safe for continuous heavy use.

We have had these systems in our cars for over 60,000 miles and we don't even remove them for services by our main dealers. The complete system is easy to stow away and can be simply unplugged at any time within minutes, reverting your vehicle back to standard.

This system plugs into your engine without any need to cut or alter your existing wiring in any way.

How Do Your Tuning Boxes Work?

Our tuning boxes work by typically connecting to the engines fuel injection system . We use Original connectors so they plug straight in easily and quickly. All modern diesel engines run under power to satisfy the manufacturers wide range of tolerances. This enables TDI-Tuning to unleash the extra power your engine is capable of in a safe manor. Our systems work with the engines ECU to fuel the engine more efficiently, thus producing more power, torque and save fuel whilst doing it!

Model	Before Power			After Power
	bhp	PS	kw	bhp	ps	kw
1.6 D	110	109	80	136	136	100
1.9 D	102	102	75	128	128	93
1.9 D	115	115	85	144	144	106
2.0 D	136	136	100	170	170	125
2.4 D5	180	180	132	225	225	165

Other Features:
Questions: Is the TDI-Tuning box better than a serial port ECU remap?
Yes. Our systems can be self installed, easily adjusted, removed and transfered and unlike a remap they cannot be detected or deleted during routine servicing.

Does the tuning system really make a difference?
Yes. An immediate increase in both torque and power is noticeable with the TDI-Tuning system fitted. You will appreciate the improved throttle response and overall driveability.

What will I receive from TDI-Tuning?
All TDI-Tuning's systems come in padded packaging to prevent transit damage. You'll recieve the correct, fully adjusted tuning box for your vehicle along with the connector loom to fit your vehicle. the package also contains full English fitting instructions and cable ties for that professional look.

Defective Item:
If a unit is found to be faulty within the first 14 days of purchase a new unit will be issued or a full refund minus postage costs will be given.

Incorrect Item:
If we send you an incorrect item please let us know within 7 days and we can arrange for the correct item to be sent out to you.

Damaged in Transit:
If the item delivered has been damaged in transit you can return the item within 7 days of receipt for a replacement to be sent out to you.

Feedback Policy:
We will leave positive feedback for you as soon as we know you're happy with your purchase and have left feedback showing this. If you have any concerns please contact us before leaving feedback and we'll be pleased to assist you.

Satisfaction Policy:
If within the first 14 days you decide not to keep the tuning system please contact us for a returns form. We do not charge a re-stocking fee but we will deduct the postage costs we have incurred in posting the system to you. When returning goods only use parcel carriers who are able to track products when in transit (i.e. Royal Mail Special Delivery) as we cannot be held responsible for missing parcels.