CONERY M5 MP Rear Bumper Diffuser
CONERY M5 MP Rear Bumper Diffuser Instruction Manual
Compatible with BMW 5 Series G30, G31, G38 (2018-2023)
1. Product Overview
The CONERY M5 MP Rear Bumper Diffuser is an automotive accessory designed to enhance the rear aesthetics of compatible BMW 5 Series vehicles. It is constructed from durable ABS plastic and is available in various finishes, including Competition Carbon (as per this model). This product is engineered for a precise fit, requiring no modifications or cutting during installation.

Figure 1: Front view of the CONERY M5 MP Rear Bumper Diffuser, showcasing its design and Competition Carbon finish.

Figure 2: Rear view of the diffuser, showing the mounting points and internal structure. Please note: The carbon fiber design is a finish and not actual carbon material on the back.
2. Compatibility
This rear bumper diffuser is specifically designed for the following BMW 5 Series models:
- BMW 5 Series G30 (Sedan)
- BMW 5 Series G31 (Touring/Wagon)
- BMW 5 Series G38 (Long Wheelbase Sedan - primarily for Chinese market)
Model Years: 2018, 2019, 2020, 2021, 2022, 2023.
Important Note: The carbon fiber design is a surface finish and does not indicate the material on the back of the diffuser is carbon fiber.
3. Setup and Installation
Installation of the CONERY M5 MP Rear Bumper Diffuser is designed to be straightforward, requiring no modification or cutting of your vehicle's existing components. Professional installation is recommended for optimal results.
Installation Steps:
- Preparation: Ensure the vehicle is parked on a level surface and the engine is off. Gather necessary tools (e.g., trim removal tools, wrenches, sockets).
- Remove Existing Diffuser: Carefully unclip or unbolt the factory rear bumper diffuser from your BMW. Refer to your vehicle's service manual for specific removal instructions if needed.
- Clean Mounting Area: Clean any dirt or debris from the bumper's mounting points to ensure a secure fit for the new diffuser.
- Position New Diffuser: Align the CONERY M5 MP Rear Bumper Diffuser with the mounting points on your vehicle's rear bumper.
- Secure Diffuser: Carefully clip or bolt the new diffuser into place. Ensure all clips are fully engaged and all bolts are tightened securely, but do not overtighten.
- Final Check: Verify that the diffuser is firmly attached and sits flush with the bumper.

Figure 3: The rear bumper diffuser shown installed on a compatible BMW 5 Series vehicle, demonstrating its integrated appearance.
4. Operating
The CONERY M5 MP Rear Bumper Diffuser is a passive aerodynamic and aesthetic component. It does not require any active operation. Once installed, it functions as an integral part of your vehicle's rear bumper assembly.
5. Maintenance
To maintain the appearance and integrity of your rear bumper diffuser, follow these guidelines:
- Regular Cleaning: Clean the diffuser regularly with mild automotive soap and water. Avoid harsh chemicals or abrasive cleaners that could damage the finish.
- Drying: Dry the diffuser with a soft, clean microfiber cloth to prevent water spots.
- Inspection: Periodically inspect the diffuser for any signs of damage or loose fittings, especially after driving on rough terrain or in adverse weather conditions.
- Avoid Impact: Be mindful of curbs, speed bumps, and other obstacles that could cause impact damage to the diffuser.
6. Troubleshooting
Most issues related to the diffuser are installation-related. If you encounter problems, consider the following:
- Loose Fit: If the diffuser feels loose, re-check all mounting clips and bolts to ensure they are properly secured.
- Misalignment: If the diffuser appears misaligned, carefully unclip/unbolt and re-align it, ensuring all tabs and slots are correctly engaged before re-securing.
- Damage: In case of physical damage (cracks, breaks), the diffuser may need to be replaced.
For persistent issues or complex problems, it is recommended to consult with a professional automotive technician.
7. Specifications
| Attribute | Detail |
|---|---|
| Brand | CONERY |
| Product Model | M5 MP Rear Bumper Diffuser |
| Color | Competition Carbon |
| Material | ABS Plastic |
| ASIN | B0CKJ79MNM |
| Approx. Package Dimensions | 3 x 2 x 1 cm (Note: This dimension may refer to packaging for small components, not the full diffuser.) |
| Approx. Item Weight | 1 g (Note: This weight is likely a placeholder or error in data. The actual weight of a car diffuser will be significantly higher.) |
| First Available Date | October 5, 2023 |
8. Warranty Information
Specific warranty details for CONERY products are typically provided at the point of purchase or through the seller. Please retain your proof of purchase for any warranty claims. For detailed warranty terms and conditions, refer to the documentation included with your product or contact the seller directly.
9. Support
For technical assistance, installation queries, or product support, please contact the seller or manufacturer through the platform where the product was purchased. Provide your order number and product details to facilitate a quicker resolution.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.