2X Genuine BMW Tyre Pressure Wheel Electronics Module Sensor RDC 433MHZ 6855539

2X Genuine BMW Tyre Pressure Wheel Electronics Module Sensor RDC 433MHZ is an original component from the Tyre pressure sensors group, designed for the BMW tyre pressure monitoring system. It enables precise reading of tyre parameters and seamless cooperation with the factory RDC system, which translates into safer and more predictable vehicle operation. By maintaining the OEM standard, the set ensures proper communication with the car's electronics and stable performance over a long period of use.

Specifications and technical data

• SKU: 6855539-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6855539
• Substitutable numbers: 6855539, 36106855539, 6881890, 36106881890, 6856209, 36106856209
• Category: Tyre Pressure Monitoring Sensors

Purpose and function in the RDC system

2X Genuine BMW Tyre Pressure Wheel Electronics Module Sensor RDC 433MHZ is an electronic component responsible for continuous monitoring of tyre pressure and transmitting information to the vehicle's control unit. The sensor works with the factory RDC system, which:

• monitors the pressure in each wheel while driving,
• enables early detection of pressure drops,
• supports handling stability and braking efficiency,
• indirectly influences even tyre wear and fuel consumption.

Using a dedicated sensor from this group allows you to maintain the full functionality of the low-pressure warning system without the need for universal solutions or installation adaptations.

Technical characteristics and vehicle integration

As an element from the Tyre pressure sensors category, the set has been designed to work in demanding operating conditions: variable temperatures, mechanical loads, and exposure to moisture and contaminants. The OEM design ensures:

• proper cooperation with factory BMW software,
• appropriate signal transmission parameters to the RDC module,
• compatibility with original rims and mounting hardware.

In practice, this means that after correct installation and the adaptation procedure in the vehicle, the sensor is recognized by the system just like a factory-installed component, without the need for additional installation modifications.

Product condition and utility aspects

The offered item is in used condition, which allows for an economical restoration of the RDC system's efficiency while maintaining the original BMW specification. Choosing such a solution is particularly beneficial in the case of:

• repairs after damage to a single wheel or rim,
• completing a set of sensors for an additional set of wheels,
• servicing vehicles where compliance with factory electronics is a priority.

Before installation, it is recommended to verify compatibility with the specific vehicle model and perform the standard RDC system programming or initialization procedure in accordance with BMW service documentation.

Selection and compatibility in service practice

To correctly select this set for a specific car, it is worth using the manufacturer's markings and interchangeable numbers, which are detailed in the technical specification. This avoids communication problems between the sensor and the RDC module and ensures correct information display on the instrument cluster. In a workshop environment, this method of identification is standard and facilitates quick compatibility verification.

If you are planning a comprehensive repair or upgrade of the tyre area in your BMW and need other components from the same group, such as additional sensors, valves, or complete monitoring modules, check the available parts in the BMW tyre pressure sensors category.

Substantive support and additional information

When choosing a used pressure sensor, it is crucial to understand the principles of the vehicle's electronics and how to adapt them after replacing components. Proper selection and installation allow you to fully utilize the potential of the RDC system without generating errors in the control unit memory and without unnecessary service visits.

To better assess when it is worth reaching for used electronic components, such as control modules or sensors, and how to select them safely, it is worth reading the advice contained in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which discusses the practical aspects of using aftermarket electronics.