TDI Tuning Ltd

The UK's number 1 tuning box company! 

TDI-Tuning are diesel and petrol tuning box specialists. Our plug-in tuning devices increase power and torque by up to 40% as well as improve fuel economy. From BMW M Cars, AMG's, Audi RS, Ford ST's, VW R's to diesel commercials such as Rangers, Navara's, L220's & X Class we have the simple to install tuning box for you.