Coding is required to tell the vehicles ECU that a towbar is present so the towing electrics will function properly. This is done with a diagnostic tool, and may need to be done by the main dealers.

Many modern vehicles require a bypass relay for the towbar electrics to work correctly.
If your vehicle requires this relay then damage can occur to the cars electrics if one isn't fitted.

Our data is collected from the tow bar and tow bar wiring manufacturers with regards to whether your vehicle needs a bypass relay.

This is the maximum weight that the vehicle can tow.

This is the maximum weight that the placed on the ball, ie the average adult bike weighs around 15KG, 15 x 4 = 60 KG and a cycle for 4 bikes is around 20KG = 80KG.