For 2019-2022 BMW 3 Series 330i M340i G20 M Sport Rear Diffuser
For 2019-2022 BMW 3 Series 330i M340i G20 M Sport Rear Diffuser
Product Description
Enhance the aggressive styling and aerodynamic performance of your BMW with this Rear Diffuser, designed specifically for the 2019–2022 BMW 3 Series 330i / M340i G20 M Sport. Crafted from premium ABS plastic, this diffuser delivers the perfect balance of strength, durability, and style. Available in Gloss Black or Carbon Fiber Look, it adds a sleek, performance-inspired finish to your rear bumper — giving your BMW a bold and dynamic appearance that stands out on the road or track.
Specification
| Feature | Details |
| Fitment | 2019–2022 BMW 3 Series 330i / M340i G20 (M Sport Bumpers Only) |
| Material | Premium High-Strength ABS Plastic |
| Color | Gloss Black / Carbon Fiber Look |
| Installation | Screw-on / High-quality adhesive tape |
| Drilling | No |
| Warranty | 1-Year Manufacturer Warranty |
Product Features
- Exact M Sport Fitment: Precisely molded to match the factory contours of the G20 M Sport rear bumper for a superb, flush fit.
- Vacuum-Infused Strength: Manufactured using advanced vacuum infusion processing to provide lightweight durability and excellent rigidity.
- High-Quality Finish: Hand- and machine-polished to create a deep, beautiful gloss that elevates your vehicle's rear styling.
- UV-Protective Coating: Sealed with a protective layer that locks in the shine and prevents fading, yellowing, or clouding over time.
- Aerodynamic Styling: Sculpted design optimizes rear airflow while adding a bold, track-inspired presence to your bumper.
- Durable Construction: Made from impact-resistant, premium ABS plastic to withstand daily road debris and harsh exhaust heat.

| Year | Model | Trim |
| 2022 | 330e | Base Sedan 4-Door |
| 2022 | 330e xDrive | Base Sedan 4-Door |
| 2022 | M340i | Base |
| 2022 | M340i xDrive | Base |
| 2022 | 330i | Base Sedan 4-Door |
| 2022 | 330i | M Sport Shadow Edition Sedan 4-Door |
| 2021 | 330e | Base Sedan 4-Door |
| 2021 | 330e | Sport Line Plus Sedan 4-Door |
| 2021 | 330e xDrive | Base Sedan 4-Door |
| 2021 | 330i | M Sport Sedan 4-Door |
| 2021 | 330i xDrive | Base Sedan 4-Door |
| 2021 | M340i | Base Sedan 4-Door |
| 2021 | M340i xDrive | Base Sedan 4-Door |
| 2020 | 320i | Executive Sedan 4-Door |
| 2020 | 320i | Sport Line Sedan 4-Door |
| 2020 | 330i | M Sport Plus Sedan 4-Door |
| 2020 | 330i | M Sport Sedan 4-Door |
| 2020 | 330i | Sport Line Plus Sedan 4-Door |
| 2020 | 330i | Sport Line Sedan 4-Door |
| 2020 | 330i xDrive | Base Sedan 4-Door |
| 2020 | M340i | Base Sedan 4-Door |
| 2020 | M340i xDrive | Base Sedan 4-Door |
| 2020 | M340i xDrive | First Edition Sedan 4-Door |
| 2019 | 330i | M Sport Sedan 4-Door |
| 2019 | 330i | Sport Line Plus Sedan 4-Door |
| 2019 | 330i | Sport Line Sedan 4-Door |
| 2019 | 330i | Sport Plus Sedan 4-Door |
| 2019 | 340i GT xDrive | Base Hatchback 4-Door |

Perfect fit, aggressive look — big upgrade for G20!
Would you like a few alternate versions to choose from?
Me second time buying
Questions & Answers
Have a Question?
-
Is there only a certain type of quad tips that fit on here?
Hi, just use self-tapping screws that match the required dimensions for assembly.
For 2019-2022 BMW 3 Series 330i M340i G20 M Sport Rear Diffuser
Product Description
Enhance the aggressive styling and aerodynamic performance of your BMW with this Rear Diffuser, designed specifically for the 2019–2022 BMW 3 Series 330i / M340i G20 M Sport. Crafted from premium ABS plastic, this diffuser delivers the perfect balance of strength, durability, and style. Available in Gloss Black or Carbon Fiber Look, it adds a sleek, performance-inspired finish to your rear bumper — giving your BMW a bold and dynamic appearance that stands out on the road or track.
Specification
| Feature | Details |
| Fitment | 2019–2022 BMW 3 Series 330i / M340i G20 (M Sport Bumpers Only) |
| Material | Premium High-Strength ABS Plastic |
| Color | Gloss Black / Carbon Fiber Look |
| Installation | Screw-on / High-quality adhesive tape |
| Drilling | No |
| Warranty | 1-Year Manufacturer Warranty |
Product Features
- Exact M Sport Fitment: Precisely molded to match the factory contours of the G20 M Sport rear bumper for a superb, flush fit.
- Vacuum-Infused Strength: Manufactured using advanced vacuum infusion processing to provide lightweight durability and excellent rigidity.
- High-Quality Finish: Hand- and machine-polished to create a deep, beautiful gloss that elevates your vehicle's rear styling.
- UV-Protective Coating: Sealed with a protective layer that locks in the shine and prevents fading, yellowing, or clouding over time.
- Aerodynamic Styling: Sculpted design optimizes rear airflow while adding a bold, track-inspired presence to your bumper.
- Durable Construction: Made from impact-resistant, premium ABS plastic to withstand daily road debris and harsh exhaust heat.

| Year | Model | Trim |
| 2022 | 330e | Base Sedan 4-Door |
| 2022 | 330e xDrive | Base Sedan 4-Door |
| 2022 | M340i | Base |
| 2022 | M340i xDrive | Base |
| 2022 | 330i | Base Sedan 4-Door |
| 2022 | 330i | M Sport Shadow Edition Sedan 4-Door |
| 2021 | 330e | Base Sedan 4-Door |
| 2021 | 330e | Sport Line Plus Sedan 4-Door |
| 2021 | 330e xDrive | Base Sedan 4-Door |
| 2021 | 330i | M Sport Sedan 4-Door |
| 2021 | 330i xDrive | Base Sedan 4-Door |
| 2021 | M340i | Base Sedan 4-Door |
| 2021 | M340i xDrive | Base Sedan 4-Door |
| 2020 | 320i | Executive Sedan 4-Door |
| 2020 | 320i | Sport Line Sedan 4-Door |
| 2020 | 330i | M Sport Plus Sedan 4-Door |
| 2020 | 330i | M Sport Sedan 4-Door |
| 2020 | 330i | Sport Line Plus Sedan 4-Door |
| 2020 | 330i | Sport Line Sedan 4-Door |
| 2020 | 330i xDrive | Base Sedan 4-Door |
| 2020 | M340i | Base Sedan 4-Door |
| 2020 | M340i xDrive | Base Sedan 4-Door |
| 2020 | M340i xDrive | First Edition Sedan 4-Door |
| 2019 | 330i | M Sport Sedan 4-Door |
| 2019 | 330i | Sport Line Plus Sedan 4-Door |
| 2019 | 330i | Sport Line Sedan 4-Door |
| 2019 | 330i | Sport Plus Sedan 4-Door |
| 2019 | 340i GT xDrive | Base Hatchback 4-Door |