You may have done some research online or through magazines and been amazed by the mind blowing selection of different diesel tuning box products on the market today. So why should you buy from TDI Tuning? We're a genuine UK based business with many years of experience in the automotive tuning industry. Our background and knowledge is vast, our products are powerful and unique, and our service to absolutely first class. We pride ourselves in providing the level of customer service that we feel should be available to everyone.

All of our tuning boxes have been designed and developed by TDI Tuning and exclusively manufactured in Germany. This ensures you receive a top quality product with the latest technology at the very best price. We welcome questions and queries, and we can assure you that we will be able to answer any questions, no matter how simple or complex they might be. Although our diesel tuning boxes are extremely easy to install and should not take you any longer than 5-10 minutes to complete; to give you further peace of mind, all of our products come with full easy to follow pictorial English installation instructions, 24/7 dedicated customer support, a full 14 Day Money Back Guarantee and a 3 Year Warranty. We are extremely proud of our products and our service, however if you are not happy with the system for any reason, we will be more than happy to provide you with a full refund under our full money back guarantee policy.

Build quality is extremely important to us. Because of this, all of our diesel tuning boxes are encased in a durable aluminium housing. Through thorough and intensive testing, our systems have been designed and engineered to become almost indestructible!

Installation and removal is exceptionally straight forward. These systems have been engineered to ensure that even customers with no mechanical experience can easily install our systems themselves. To make things even easier, our systems are completely "Plug & Play" ensuring there are absolutely no cables to be cut. We also only use Genuine OEM connectors which guarantee a swift and straightforward installation. You can also view some of our sample installation videos which show you just how easy installation is.

If you have any questions about our products or services, no matter how simple, please do not hesitate to contact us via email or phone. Unlike many faceless internet companies out there, we always have someone in the office during office hours who can assist you.

Here at TDI Tuning, we believe in providing our customers with the most technologically advanced digital tuning solutions on the market today, whilst providing our customers which a personal and bespoke service.

Our extensive automotive knowledge, honest advice and unique state of the art products are individually programmed to suit your exact vehicle. Our exclusive plug in Diesel Tuning Box technology enables our systems to deliver a smooth and efficient increase in performance whilst significantly improving your fuel economy.

If you are looking for unrivalled Power, Torque and Fuel Efficiency gains through diesel tuning then you need look no further. Our digital micro-processor controlled products are so advanced that they can contain up to 32 exclusive fuel maps, enabling our software engineers to pre-program your system to suit your exact vehicle model.

We also cater for customers looking for unrivalled performance gains whilst maintaining a budget. Our exclusive single map diesel tuning boxes are considered by many, as one of the most cost-effective diesel performance enhancements on the market today.

All of our tuning boxes are designed to be simple to install with the assistance of our full easy to follow pictorial instructions. If lifting the hood on your vehicle is not for you, we offer a full installation service throughout the UK. A 3 year warranty is standard on all our tuning products whether you install them yourself or we do. We appreciate that advanced diesel tuning can become complex and somewhat daunting. With this in mind, we encourage our customers to ask us any questions which they might have.

If you are ready to find out how we can tune your vehicle and to find out what performance gains you will receive, please use the drop down boxes at the top of this page to find your model.

With fuel prices always on the increase and people looking to achieve the same power output from a smaller more economical engine we understand why your fleet of cars, vans or trucks could benefit from a TDI Tuning diesel tuning box. We offer a wide range of tuning box solutions to fit any budget and have the in-depth skills and knowledge to see your fleet up and running in no time. We even have a team of highly skilled installers which can carry out the work for you. All systems whether DIY installed or by us are covered by a full 3 year warranty. Call our Fleet Sales Manager today on 01245 392255.

To make your life easier and to address the concerns of online ordering we accept a wide range of payment methods, these include safe secure online ordering using Sage Pay or PayPal, by phone, cheque, postal order or even bank transfer.

So what is Sage Pay? Sage Pay is the new name for Protx one of the leading developers of financial software and services which enables you to securely pay for your goods online using your credit or debit card without disclosing your details to anyone including us. Once your payment goes through you'll automatically be diverted back to the TDI Tuning website to confirm payment has been successful. We also receive an email of your order so we can dispatch it effectively.

If you have a PayPal account then this can also be used to pay for your purchases. If you'd prefer to speak to someone then we offer a telephone ordering service on 01245 392255. Alternatively we can accept a cheque or postal order payment but 7 working should be expected for your payment to clear and your purchase to be dispatched.

For ease and flexibility we accept the following forms of payment:

• Credit and debit card payments through our website using SagePay or PayPal.
• Over the phone on 01245 392255
• Cheques and postal orders
• Direct bank transfers