Tunit Optimum


• Increased BHP
• Increased Torque
• Fuel Savings
• Reprogram for your next vehicle for £45
• Easy to install
• 2 Year Product Warranty
• 3 Year Part Exchange


Item Description:

The Tunit Optimum is a unique addition to any petrol engine vehicle. The Optimum is easy to install or can be installed by one of our dealers through our worldwide network. It’s packed with features which will improve your BHP and torque while also decreasing your fuel consumption.

Superior Performance

Performance is our passion and we work to get more out of your engine. Optimise your petrol engine today for more power, torque and fuel economy.

Adjustable Tuning

The Tunit Optimum is easy to fit to any petrol vehicle by simply plugging in to the OBD port. The standard Optimum comes pre-set in one of three performance settings from Eco to Sport Plus.

Go Eco

By using Eco mode on your Tunit Optimum you can make drastic improvements to your fuel economy and save money by filling up less often.


Michael,Vauxhall/Opel Astra 2.0 CDTi Twin

Had a Tunit on my Astra 1.9 150. Does what it says on the tin.

Peter,Ford Maverick 2.7 TDI

Hi Andy,

So here's a big thankyou, it's been on for two days and I can't stop smiling. Just did a few 0-60 times and averaged 12.3secs.

The standard on a new car is 15.7, have that, cheers. Top job, well recomended.