Tuning Box offers a range of chiptuning units for more than 4000 models of petrol, diesel, hybrid and electric vehicles.
For the Holmer brand, you will find below the list of different models for which we have different performance chips.
When you click on the model of your choice, you will find all engine possibilities for which we offer at least one product to optimize the vehicle performance: Whether it is a power chip – Tuning Box Classic or Tuning Box Evolution, our pedal box - Tune Pedal or the Fusion Tuning Box kit.
-25% on all the products !
Hurry up: this offer ends this Sunday 28/11 at Midnight...
This offer is intended exclusively for private customers and is not valid in Switzerland, Reunion, Spain and South America.
Black Friday week
25% discount on all our products until 28/11 !