BMW E60 M5 E63 M6 E65 Solar Sensor Unit 6944017

The BMW E60 E61 E63 E64 E65 Sun Sensor is an original component of the climate control and interior comfort system in BMW E-series vehicles. This BMW sun sensor works with the vehicle's electronics, enabling precise adjustment of climate control parameters to current lighting conditions, which translates to stable temperature and driving comfort. As a part from the Miscellaneous category, it is an important addition to the electrical system and cabin equipment.

Specifications and technical data

• SKU: 6944017
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6944017
• Substitutable numbers: 64116944017, 6944017, 64110151689, 0151689, 64118380622, 8380622, 64110392907, 0392907
• Category: Other Interior Parts & Accessories

Purpose and Function of the BMW Sun Sensor

The sun sensor in BMW E60, E61, E63, E64, and E65 models is responsible for measuring the intensity of sunlight reaching the vehicle's interior. Based on this data, the climate control unit can:

• correct the airflow performance on the driver and passenger sides,
• adjust the set temperature according to the current sunlight intensity,
• maintain the most even temperature distribution within the cabin,
• limit fluctuations in thermal comfort during sudden changes in external conditions.

This allows the climate control system to operate more stably and predictably, which is particularly noticeable on sunny days and during long journeys.

Compatibility and Interchangeable Numbers

The presented BMW sun sensor is an original manufacturer part, identified by a dedicated OEM part number and a set of interchangeable numbers. The presence of multiple reference numbers allows the sensor to be fitted to various equipment versions and model years within the E60, E61, E63, E64, and E65 platforms, while maintaining electrical and mechanical compatibility.

Before purchasing, it is advisable to compare the markings with the existing part or the vehicle's service documentation – this facilitates the selection of the correct variant and minimizes the risk of incompatibility. Information on the OEM part number and interchangeable numbers is available in the product's technical specifications section.

Condition, Origin, and Benefits of Using BMW Parts

The offered sensor comes from the BMW group and is classified as a used item. This means it is a part from a dismantled vehicle that retains the original construction and operating parameters intended by the vehicle manufacturer. In practice, this translates to:

• factory-perfect fit for the electrical system and dashboard mountings,
• proper cooperation with climate control and comfort modules,
• retention of measurement characteristics consistent with BMW's design.

Choosing an original sun sensor from the aftermarket is a beneficial solution for users who want to restore the full functionality of their climate control system at a reasonable service cost, without compromising on quality and compatibility.

Typical Symptoms of a Damaged Sun Sensor

A malfunctioning sun sensor in BMW E-series vehicles can cause a range of characteristic symptoms, such as:

• uneven climate control operation on the left and right sides of the cabin,
• overly aggressive or insufficient cooling in strong sunlight,
• delayed reactions of the climate control system to changes in external conditions,
• incorrect temperature adjustments when driving in full sun or shade.

Replacing the sensor with a functional part restores the correct logic of the automatic climate control system, improving vehicle comfort and reducing the need for manual setting adjustments.

Other Parts and Technical Materials

If you are looking for other products from the BMW Miscellaneous category, check out our dedicated offer: other BMW equipment parts. There you will find a wide selection of electrical components and interior equipment tailored to various models of this brand.

For those interested in comparing technical solutions used in sports car versions, we encourage you to read our blog article discussing design differences in engines, brakes, and chassis: Audi RS vs. other models – what's under the hood and chassis?. This is a valuable addition to your knowledge about the construction of modern cars and their key components.