BMW F20 F21 LCI Guide For Rear Bumper Side Left N/S 8063451

BMW F20 F21 LCI Guide For Rear Bumper Side Left N/S is an original body component from the Bumpers and reinforcements category, designed for installation in the rear left section of the vehicle. It ensures proper guidance and stable seating of the bumper cover, which translates into aesthetic fitment and correct body line geometry. This used OEM component is a sensible choice for post-accident repairs and assembly adjustments in BMW 1 Series F20/F21 LCI models.

Specifications and technical data

• SKU: 8063451-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8063451
• Substitutable numbers: 51128063451, 8063451
• Location on the vehicle: Rear, Left
• Category: Bumpers & Reinforcements

Purpose and function of the component

The rear bumper guide on the left side is responsible for the precise positioning of the bumper cover relative to the fender, trunk lid, and other body elements. Thanks to its specifically designed mounting geometry, it keeps the bumper in the intended position, limits deflection, and minimizes the risk of gaps and abrasions at the contact points of the components.

In the case of body and paint repairs or bumper replacement, using a dedicated guide for the LCI version allows for maintaining factory body lines, which is particularly important in premium vehicles such as BMW.

Compatibility and fitment for BMW F20/F21 LCI

The component has been designed specifically for the F20/F21 generation after the facelift, taking into account the characteristic contours and shape of the rear bumper. This means:

• maintaining the proper rigidity of the connection between the bumper and the body,
• compatibility with factory mounting points on the rear left side,
• easier installation without the need for modifications or adjustments.

Using an original guide from the Bumpers and reinforcements category reduces the risk of improper fitment, which could result in noise, vibrations, or accelerated paint wear at the contact points of the components.

Characteristics of the used OEM component

As a used part, the guide comes from vehicle dismantling and represents an economical solution while maintaining a design consistent with the original BMW project. You receive a component with mounting parameters identical to the original factory assembly, which facilitates service work and shortens repair time.

Compared to low-quality replacements, the original guide ensures predictable behavior during installation, proper bumper alignment, and consistency with other elements of the mounting system in the rear of the vehicle.

Benefits of using a dedicated bumper guide

Using the correct guide on the left side of the vehicle's rear translates into a number of practical benefits:

• Stable bumper mounting – reduction of play and shifting during operation.
• Better body aesthetics – even gaps and repeatable fitment after repair.
• Consistency with BMW design – maintaining the original mounting concept and force distribution in the collision zone.
• Easier service installation – predictable mounting points and fitment to other rear body components.

Expanding repairs within the BMW bumper area

If you are planning a comprehensive repair or upgrade of the bumper zone in your BMW and need other elements from the same group, such as beams, brackets, or additional mounts, check out the available parts in the BMW Bumpers and reinforcements category.

Additional technical support

When selecting body components, it is worth paying attention to compliance with manufacturer markings and the body version to avoid installation problems. In case of doubts regarding vehicle configuration or the scope of repair, technical materials and service manuals can be helpful.

If you are also interested in a professional approach to diagnostics and component selection based on manufacturer markings, you will find practical tips in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, the principles of working with OEM numbers and selecting parts based on vehicle technical data.