Jaronx 51137443691 51137443692
Jaronx Roof Rack Port Cover Instruction Manual
Compatible with BMW 5 Series G30/G31 2018-2023
1. Introduction
This manual provides comprehensive instructions for the installation, maintenance, and troubleshooting of your Jaronx Roof Rack Port Cover. Designed as a direct replacement for the original part, this cover ensures a perfect fit and restores the aesthetic integrity of your vehicle's roof.

Image: Jaronx Roof Rack Port Cover shown with a BMW 5 Series vehicle.
2. Compatibility
The Jaronx Roof Rack Port Cover is specifically designed for the following BMW 5 Series models:
- BMW 5 Series G30/G31/F90 M5 (2018-2023)
- Compatible with 518d, 520d, 520dX, 520i, 525d, 530d, 530dX, 530e, 530eX, 530i, 530iX, 540dX, 540iX, M550dX, M550iX models.
This product is a direct replacement for OE part numbers 51137443691 and 51137443692. Please verify your vehicle's OE number before purchase. The paint color is Black Sapphire Metallic. To confirm your vehicle's paint code, check the plate or sticker inside the driver's door or glovebox.

Image: Product compatibility with BMW 5 Series models.
3. Product Features
The Jaronx Roof Rack Port Cover offers several key features:
- High-Quality Materials: Crafted from premium ABS material for enhanced durability and sturdiness.
- Precise Fit: Engineered for an exact fit, ensuring seamless integration with your vehicle's roof molding.
- Upgraded Structure: Features an upgraded design that is more solid than the original part, improving longevity.
- Color Match: Black Sapphire Metallic finish to match specific BMW paint codes.
- Versatile Application: Suitable for both left and right sides of the vehicle.

Image: Visual comparison showing a missing port cover (Before) and the Jaronx cover installed (After), demonstrating exact fit.

Image: Product dimensions, highlighting length and height.
4. Specifications
| Attribute | Detail |
|---|---|
| Brand | Jaronx |
| Model | Roof Rack Molding Port Cover |
| Item Weight | 0.634 ounces |
| Package Dimensions | 10.24 x 2.05 x 0.87 inches |
| Item Model Number | Roof Rack Port Cover |
| Exterior | Metallic Glossy Black |
| Manufacturer Part Number | 51137443691 51137443692 |
| Color | Black Sapphire Metallic |
| Mounting Type | Easy Snap |
| Automotive Fit Type | Vehicle Specific Fit |
5. Installation Instructions
Installing the Jaronx Roof Rack Port Cover may require removing the entire roof rack trim molding. Due to the potential complexity, professional assistance is recommended for installation.
General Steps (Consult a professional if unsure):
- Carefully remove the existing or broken roof rack port cover. This may involve gently prying it out or detaching the surrounding trim.
- Clean the area where the new port cover will be installed, ensuring it is free of debris and old adhesive.
- Align the new Jaronx Roof Rack Port Cover with the opening.
- Press firmly to snap the new cover into place, ensuring all clips are securely engaged.
- Verify that the cover sits flush with the roof molding and matches the surrounding paint.
If you intend to replace all port covers on your vehicle's roof, please order 4 pieces.

Image: Diagram illustrating the location and replacement of roof molding trim covers.
6. Maintenance
The Jaronx Roof Rack Port Cover is designed for durability and requires minimal maintenance. To keep your cover in optimal condition:
- Regularly clean the cover with standard car wash soap and water.
- Avoid using abrasive cleaners or harsh chemicals that could damage the finish.
- Inspect the cover periodically for any signs of wear or looseness.
7. Troubleshooting
If you encounter any issues with your Jaronx Roof Rack Port Cover, consider the following:
- Cover does not fit: Double-check the compatibility section and ensure your vehicle's model and year match the specifications. Verify the OE part number.
- Cover is loose: Ensure all clips are fully engaged. If the issue persists, the surrounding trim might not be correctly seated, or the cover may be damaged.
- Color mismatch: Confirm your vehicle's paint code matches Black Sapphire Metallic. This cover is NOT Carbon Black/Jet Black.
For persistent issues, it is recommended to seek professional assistance or contact Jaronx customer support.
8. Package Contents
Your package should contain the following item:
- 1 x Roof Rack Molding Trim Replacement
9. Warranty and Support
Jaronx products are manufactured to high standards. For information regarding warranty coverage or to obtain technical support, please refer to the product packaging or contact Jaronx customer service through the retailer where the product was purchased. Keep your purchase receipt for warranty claims.