TPMS products in original quality for all DEZENT rims.


Since 1st november 2014 the EU directive for tyre pressure monitoring systems (tpms) has been valid for all newly registered vehicles. All light alloy wheels from DEZENT have been prepared for the inclusion of the necessary radio sensors (direct tpms) since the beginning of 2012 and the corresponding information is noted in the TÜV certificates. Read here what the four letters tpms are about in detail and what effects this has on you..

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COMPATIBILITY LIST

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Our service for you: Which TPMS sensors fit which DEZENT wheels? You’ll find the answer in our compatibility list.

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TPMS BASICS

WHAT IS TPMS?

Tyre Pressure Monitoring Systems (TPMS) are vehicle-integrated systems which continuously monitor the tyre pressure. There are two different system types; the direct system (measuring the tyre pressure via a sensor in the wheel) and the indirect system (measuring via the vehicle’s ABS sensor). A display inside the vehicle informs the driver if one or more tyres lose pressure.

TPMS fulfills 4 functions:
-) It increase driving safety through better grip, more stable steering behaviour and shorter braking distances.
-) It avoids increased fuel consumption due to incorrect tyre pressure.
-) It prevents increased tyre wear caused by insufficient tyre pressure.
-) It reduces CO² emissions through lower fuel consumption and longer tyre life.

ALCAR TPMS Sensor
RDKS legal requirements

TPMS LEGAL REQUIREMENTS

WHICH LEGAL REQUIREMENTS MUST TPMS FULFIL?

Since November 2014: according to the EU Directive, all new cars must be equipped with a TPMS by the vehicle manufacturers. However, the EU Directive does not stipulate which tyre pressure monitoring system should be used. Permitted are direct as well as indirect systems as long as they fulfil the requirements and conditions of ECE-R 64. ECE-R64 only stipulates the functionality but not whether an original or aftermarket sensor is required.

Important: In accordance with EU Directive 2014/45/EU, which came into force on 20 May 2018, an obviously non-functional tire pressure monitoring system (RDKS/TPMS) is classified as a significant defect during the general inspection.

TPMS & PURCHASING WHEELS

WHAT SHOULD I LOOK FOR WHEN PURCHASING WHEELS?

If your vehicle is already equipped with a TPMS then you need to establish whether it is a direct or indirect system. In case that your vehicle is equipped with an indirect TPMS then you can purchase your wheels as per usual as this will not affect your TPMS.

If your TPMS is a direct system then you should look for the following when purchasing wheels:
1. Does the wheel design of your choice fulfil all requirements for fitting a TPMS sensor?
2. Due to the complex technology of the TPMS, we recommend to use a specialist dealer. They have the relevant special tools and programming equipment for changing tyres, maintenance work and for any other problems (e.g. warning on the display)!

All DEZENT wheels have already been prepared to accommodate the necessary wireless sensors (direct TPMS) and the relevant information have been recorded in TÜV certificates since the beginning of 2012. Therefore, the purchase of wheels is easy because nothing changes for DEZENT customers.
DEZENT TA TPMS Sensor

TPMS EXPERT KNOW-HOW

TECHNICAL DETAILS AND EFFECTS OF TPMS ON MAINTENANCE AND SERVICE
WHAT ARE THE DIFFERENCES BETWEEN A DIRECT AND AN INDIRECT SYSTEM?
A direct system measures the tyre pressure via a sensor integrated in the wheel. This information is wirelessly transferred to a control device in the vehicle. Various displays of individual vehicle manufacturers enable the driver to read the current pressure values permanently or to receive just a warning when the tyre pressure is too low. Such systems are very precise since they directly monitor the pressure for each wheel.


HOW DOES AN INDIRECT TPMS WORK?
In an indirect TPMS-System, the vehicle integrated ABS resp. traction sensors monitor individual wheel rotational speeds. Differences would occur if a pressure drop in the tires appears. In addition, pressure-dependent oscillations of the wheels are measured through advanced signal processing. A change will be considered a further indication of a loss of pressure.


WHAT ARE THE ADVANTAGES AND DISADVANTAGES OF THESE SYSTEMS?
A direct TPM-System allows for a very precise data collection and has additional functions like tyre position recognition, pressure loss detection when the vehicle is stationary and monitoring the tyre pressure of the spare wheel. A direct TPMS requires a significant extra effort and expenditure when changing tyres and during maintenance work. All tyres (summer, winter, spare) of a vehicle must be equipped with a properly working sensor.

An indirect TPMS is not as precise in its functionality since it neither measures the tyre pressure nor the tyre temperature. Also, it does not detect loss of pressure on the tyres when the vehicle is stationary.


WHAT EFFECTS HAVE TPM SYSTEMS ON MAINTENANCE AND SERVICE?
The use of TPMS when driving and maintaining a vehicle poses new challenges for the driver and workshops alike:
The vehicle owner will not be able to simply change a tyre by himself but will need the help of a specially qualified dealer in order to fit, calibrate and check the sensor of wheels with a direct TPMS. Due to the EU-wide introduction of this technology, specialist dealers will train their staff and invest in the required equipment.


CAN I FIT TYRES WITH DIRECT TPMS MYSELF?
Tyre mounting is a safety-relevant issue and requires expertise (check of a condition of the tire, use the correct tightening torque, ...). Therefore, we recommend this principle to only be carried out by a specialist dealer.

Direct TPM-Systems also bring the following new technical requirements:
The need for maintenance of the valve and the gaskets with every wheel removal to prevent wear of the sensor
For new tyres: new configuration of the sensors to the vehicle when new sensors (new sensor ID) are used or amending the wheel position of the sensors in order to ensure the clear communication between sensor and TPMS receiver
The battery level of the sensors must be checked when changing tyres


MY VEHICLE IS NOT EQUIPPED WITH A TPMS. DO I NOW NEED TO GET A TPMS FITTED?
Vehicles which are subject to the compulsory fitting of a TPMS will already be equipped with a direct or indirect TPMS by the vehicle manufacturer as otherwise the vehicle will not be given a type approval and/or certification in any of the EU member states.

ALCAR TPMS INDUSTRY SOLUTION

DEZENT & ALCAR. THE TPMS SOLUTION FOR THE FUTURE.

The DEZENT parent company ALCAR offers a tailor-made industry solution for specialist dealers: In addition to the sensors, the installation tools, diagnostic and programming device, service and spare parts kits as well as comprehensive advice are also provided for all customers and partners. In addition, ALCAR offers its customers optimal digital TPMS support in its web shop with the new TPMS Configurator. Sensor or service kit assignments etc. are also available in the Members Area as downloads and for quick printing. This enables ALCAR to solve the most common problems, for example which sensor belongs to which vehicle and what is the respective teach-in behaviour, quickly and easily online.

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ALCAR TPMS Sensor