Email Us :

Contact HDI Tuning Ltd by email

The best way to get in touch with us is via email. This will give you the fastest response as we reply to all emails as soon as we are available.

We can be emailed on

If you have a general question, be sure to read through the website before contacting us, we've spent a lot of time making sure all the information is available on here.

Diagnostics and advice

If you're contacting us for diagnostics advice or help on fixing faults with your vehicle, please make sure that you have connected to some diagnostics equipment and have a list of the fault code numbers before emailing us, we are not able to give blind diagnostics advice or speculative advice, as this can often lead to inaccurate advice.

Talk by phone

If you would like to talk about product specific advice or have plans for a custom setup, please contact us with your query by email and include your phone number so that we are able to call you back.

Where do I send my ECU data?

Please email your ECU data file to or if you are sending your ECU by post then follow the instructions here.

How to pay

Please use the menu system to navigate to the payment page, most options are already included on this page, however if you have a custom setup with different pricing, email us and we can send you a unique online card payment link.