More and more tyre dealers ask for the tyre pressure control systems with which the newest car models are fitted as original equipment. They are annoyed at getting no satisfactory answer, even from the car dealers selling these cars. One of the problems is that there is no standardised system. Most European car manufacturers are using as a basic a system from supplier Beru, for example with valves from Alligator. But the French car makers went down different development paths with other suppliers, for example Valeo and valve-sub supplier Schrader. The systems are completely different! If it is not possible for the Europeans to find a common level of tyre wheel systems with tyre pressure monitoring sub systems how difficult might it be to find harmony with the car makers from Japan/Korea and North America? The tyre pressure controlling systems situation is constantly changing, but we are painting a picture of the situation today. For example to secure the function of the newest Renault Laguna II the car maker explains that you must use only original parts – for example only Renault wheels. Using different wheels makes it impossible to fix the sensors and the function of the system is interrupted. If this were to become typical the free workshops (car repair stations, fast fitters or tyre dealers) will be unable to take part in the new technologies and the only workshops working with the systems, repairing details and replacing parts, will be the workshops of the car manufacturers.