BMW 8 Series G14/G15 M850i xDrive Rear Bumper Diffuser Dry Carbon Fiber 2019–2022
1,652.99€ 1,836.66€
Sold By: Carbon Fiber Car Parts
SKU: LC-AC-P-6874549059666
Categories: Rear Diffusers
Product specifications
| Vehicle Make | BMW |
|---|---|
| Vehicle Model | 8 Series |
| Generation / Chassis | G14 / G15 |
| Production Years | 2019-2022 |
| Part Type | Rear Diffuser |
| Placement | Rear |
| Material | Dry Carbon Fiber |
| Finish | Gloss |
BMW 8 Series G14/G15 M850i xDrive Rear Bumper Diffuser Dry Carbon Fiber 2019–2022
Fast Shipping & Production Support
✅ US & EU warehouse support for selected best-selling models
✅ Factory-made production for special or low-volume models
✅ Production time: 7–15 business days when factory production is required
✅ Quality checked before shipment
Easy Returns & Worry-Free After-Sales
✅ 30-day return on unused items in original condition
✅ Return support through US or EU local warehouse when applicable
✅ Damaged on arrival? Contact us within 72 hours for replacement or refund support
✅ Engineers provide fitment confirmation and installation guidance
✅ 1-year factory warranty and global after-sales support
Fitment
| Make | BMW |
| Model | M850i xDrive |
| Chassis | G14 / G15 |
| Year | 2019, 2020, 2021, 2022 |
| Body Style | G14 Convertible 2-Door / G15 Coupe 2-Door |
| Engine | 4.4L 4395CC V8 GAS DOHC Turbocharged |
| Product Position | Rear bumper lower diffuser area |
Not Fit
- Not for BMW 8 Series G16 Gran Coupe 4-Door models
- Not for BMW 840i / 840i xDrive models unless rear bumper fitment is confirmed by photos
- Not for BMW M8 models unless confirmed separately
- Not for aftermarket or modified rear bumpers unless confirmed by photos
- Not recommended if the rear sensor door position cannot be confirmed before ordering
Rear Sensor Notice
If your vehicle has a rear sensor door or lower rear bumper sensor area, please confirm the installation position before ordering. Sensor door function may be affected after rear diffuser installation depending on the rear bumper configuration.
Product Specifications
| Material | Dry carbon fiber |
| Finish | Gloss dry carbon fiber finish |
| Installation | Replacement-style, screw-assisted installation |
| Hardware | Self-tapping screws are included |
| Packaging | Protected carton packaging with cushioning material |
Key Features
- Designed for M850i xDrive: Made for selected 2019–2022 BMW 8 Series G14 Convertible and G15 Coupe M850i xDrive models.
- Dry carbon fiber construction: Features a gloss dry carbon fiber finish for a lightweight and premium exterior appearance.
- Rear-end styling upgrade: Gives the lower rear bumper a sharper and more aggressive diffuser-style appearance.
- Replacement-style installation: Designed to replace the original lower rear diffuser area with screw-assisted mounting.
- Hardware included: Self-tapping screws are included in the package. Additional tools and professional installation may be required.
- Quality checked before shipment: Each rear bumper diffuser is checked before packing and shipped with protected carton packaging.
Installation Notes
This BMW 8 Series G14/G15 M850i xDrive rear bumper diffuser uses replacement-style, screw-assisted installation. The installation process generally requires removing the original lower rear diffuser, aligning the new dry carbon fiber diffuser with the rear bumper, pressing the mounting clips into position, and securing the diffuser from the bottom with screws.
Please test fit the rear bumper diffuser before final installation. Check the left and right alignment, bottom mounting points, exhaust opening position, and rear sensor door area before drilling or fixing the product. Professional installation is strongly recommended.
- Check the rear bumper diffuser and included accessories before installation.
- Prepare the required tools, such as an electric drill, screwdriver, drill bit, and screws.
- Lift the vehicle safely and remove the bottom screws from the original rear diffuser.
- Remove the original lower rear diffuser from the rear bumper.
- Align the new dry carbon fiber rear diffuser with the rear bumper mounting position.
- Press the clips and mounting points into place carefully.
- Secure the diffuser from the bottom with screws.
- Recheck all mounting points, exhaust clearance, and rear sensor door area after installation.
Note: Drilling may be required for screw mounting. If your vehicle has a rear sensor door, towing cover, or modified lower rear bumper area, please send rear bumper photos for fitment confirmation before ordering.
Before Ordering
Please confirm that your vehicle is a 2019–2022 BMW M850i xDrive G14 Convertible 2-Door or G15 Coupe 2-Door with the matching rear bumper. This product is not designed for G16 Gran Coupe, 840i / 840i xDrive, M8, or aftermarket rear bumpers unless fitment is confirmed by photos.
FAQ
Does this rear bumper diffuser fit BMW G14 Convertible
Yes. This rear bumper diffuser is designed for selected 2019–2022 BMW M850i xDrive G14 Convertible 2-Door models.
Does this rear bumper diffuser fit BMW G15 Coupe
Yes. This product is designed for selected 2019–2022 BMW M850i xDrive G15 Coupe 2-Door models.
Does this fit BMW 8 Series G16 Gran Coupe
No. This rear bumper diffuser is not designed for BMW 8 Series G16 Gran Coupe 4-Door models.
Does this fit BMW 840i or M8
This product is positioned for M850i xDrive G14/G15 models. For 840i, 840i xDrive, or M8 models, please send rear bumper photos for confirmation before ordering.
How is this rear diffuser installed
This product uses replacement-style, screw-assisted installation. The original lower rear diffuser generally needs to be removed before installation. Professional installation is strongly recommended.
Will this affect the rear sensor door
If your vehicle has a rear sensor door or sensor-related lower bumper area, the function may be affected after installation. Please confirm the rear bumper photos before ordering.
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