As a master user, the files you read are clear. This gives you the option to work with multiple file providers, or even do the tuning yourself. As a slave, only your master will be able to decrypt your files. This means that you are bounded to work with one file provider.

Yes, a slave tool can be upgraded to master for a fee. The upgrade is available through your master. Note that the approval from your current master is mandatory and can only be puchased through them.

Yes, for a fee you will be able to transfer to a new master. Note that the approval from your current master is mandatory.

A link to download the software is available on the USB key within the AutoTuner suitcase.

A normal read refers to a file extracted directly from the ECU, while a virtual read is obtained from the Autotuner database based on the hardware and software identification.

When you purchase a slave Autotuner through this site, you will receive high-quality files from Topgear Tuning, a reputable company based in Wolverhampton.

Think of the Autotuner as a device for reading and writing files. It does not enable you to add a Stage 1 tune or a DPF solution directly. These modifications are made using separate software, which allows you to edit the read file obtained from the autotuner, usually Winols.

- Reading and writing of engine control units and gearboxes

- Automatic checksum correction

- Live datalogging, back to stock

- Dtc diagnostics.