BMW 3 Series E90 E91 Covering Cap Cover Xenon Headlight Light Lamp Left N/S

The Left Xenon Headlight Cover Cap for BMW 3 E90/E91 is an original body part designed to protect and seal the lamp housing. Thanks to its precise fit to the headlight's construction, it ensures stable mounting, limits moisture ingress, and supports the proper functioning of the xenon lighting system. This is a practical solution for users who want to maintain the factory seal and aesthetics of the vehicle's front end.

Specifications and technical data

• SKU: 7159568
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7159568
• Substitutable numbers: 63117159568, 7159568, 62611
• Location on the vehicle: Left
• Category: Other Lighting & Bulbs

Purpose and Function of the Component

The described cap is dedicated to the left xenon headlight in the BMW 3 Series E90/E91 generation. Located at the rear of the lamp, it serves as a service cover that:

• seals the headlight housing from the engine bay side,
• limits the ingress of dirt and moisture,
• supports the maintenance of proper operating conditions for the lighting modules,
• ensures stable seating of internal lamp components.

By maintaining the original mounting geometry, the cap allows for seamless installation in factory mounting points, which is particularly important when servicing xenon headlights.

Construction and Fit for Xenon Headlights

The cap is designed as a component that works with the original BMW xenon lamp, so its shape and profile are adapted to the specific headlight construction. Appropriately profiled edges and designated clip points enable:

• secure fastening of the cover without play or stress,
• easy removal during service operations,
• maintenance of a seal after reassembly.

This solution reduces the risk of lamp fogging and dirt entering the interior, which is important for both the durability of the reflectors and the stability of the light beam.

Benefits of Using an Original Cap

Using the original xenon headlight cover cap for BMW 3 E90/E91 offers a number of practical benefits:

• Factory Fit – the component is designed for a specific lamp type, which facilitates installation and minimizes the risk of leaks.
• Protection of lighting components – limiting the impact of external factors on ballasts, bulbs, and electrical wiring.
• Support for uniform headlight illumination – stable operating conditions inside the lamp promote the maintenance of light beam quality.
• Engine bay aesthetics – a complete, sealed lamp presents a cohesive look with the rest of the vehicle's front end.

Condition and Service Application

This component comes from a BMW vehicle and is intended for reinstallation in the left-side xenon headlight. It is suitable for replacing a damaged or lost cover, as well as for comprehensive lighting system servicing when restoring the lamp's completeness is necessary. Choosing an original cap is a solution that helps maintain the structural integrity of the headlight and reduce the risk of future moisture problems.

If you are planning a comprehensive repair or upgrade of the front lighting area in your BMW and need other parts from the same group, such as covers, caps, or additional lamp mounts, check the available parts in the Other BMW category.

Technical Support and Lighting System Knowledge

When working with xenon headlights, regardless of the vehicle brand, proper handling of the electrical system, ballasts, and mechanical lamp components is crucial. It is worthwhile to expand your knowledge about the construction of modern powertrains and their associated systems to better plan repairs and upgrades. For a comparison of technical solutions used in various sports and standard models, you can refer to the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses, among other things, differences in the construction of engines, brakes, and chassis.