Bulb Socket BMW X3 F25 X4 F26 Front Headlamp Turn Indicator PY 21W 7287863

BMW E90 E91 PY 21W Bulb Socket VALEO 7159571 is an original front lighting installation component designed to accommodate a PY21W turn signal bulb in 3 Series models. Thanks to its construction compliant with the LED Lamps and Lights standard, it ensures stable bulb seating and a secure electrical connection. This is a practical solution for users who want to restore full lighting system functionality without modifying the wiring harness.

Specifications and technical data

• SKU: 7287863
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7287863
• Substitutable numbers: 7287863, 63117287863, 7406353, 63117406353
• Location on the vehicle: Front
• Category: Light Bulbs & LEDs

Application and Function in the Lighting System

The presented bulb socket is a component mounted in the front of the vehicle, responsible for correctly seating the PY21W bulb in the headlight. It is responsible for:

• mechanically fixing the bulb's position in the headlight housing,
• ensuring a stable electrical contact with the vehicle's installation,
• maintaining the correct position of the light source relative to the reflector.

This ensures that the turn signal system operates with appropriate intensity, and the light signal remains clearly visible to other road users.

Construction and BMW Compatibility

The socket has been specifically designed for the front headlights of BMW 3 Series E90/E91 models, ensuring a proper fit with the lamp housing and wiring harness. Its construction is based on solutions used by the vehicle manufacturer, which facilitates installation and reduces the risk of looseness or improper contact.

The component is intended for use with PY21W type bulbs, commonly used in front turn signals. This allows for the preservation of the factory lighting characteristics and compliance with the headlight's homologation.

Benefits of Using an Original Socket

Using a dedicated bulb socket within the LED Lamps and Lights category helps avoid problems typical of universal adapters. The most significant advantages include:

• a secure electrical connection, reducing the risk of flickering or light failure,
• proper bulb guidance within the housing, promoting even light distribution,
• compatibility with the factory BMW installation without the need for modifications.

For users who value the consistency of factory solutions, this is a practical way to restore proper turn signal operation after damage or wear of the existing socket.

Characteristics of a Used Component

The offered socket is a used part, meaning it has been removed from a vehicle but retains the functionality required for further operation. Such parts can often reduce repair costs while maintaining compliance with the original BMW specifications.

Choosing a used component is particularly beneficial in situations where only the bulb holder element has been damaged, and the other headlight components remain functional.

Selection and Installation of the PY21W Bulb Socket

Before installation, it is recommended to visually compare the socket with the element removed from the vehicle, paying attention to the body shape, contact arrangement, and locking mechanism in the headlight. A correctly selected socket allows for a near plug-and-play installation, without the need for wiring modifications.

For users who wish to delve deeper into BMW vehicle lighting, the guide article See More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights may be helpful, discussing practical aspects of selecting lighting components and their impact on driving safety.

Related Products from the BMW LED Lamps and Lights Category

If you are looking for other components from the LED Lamps and Lights category designed for this brand's vehicles, check out the BMW LED Lamps and Lights available in our assortment to select compatible lighting components for your car.