Description
Product Code: RV-AAD-CP-010
Compatibility
This BMW M340i Rear Valance fits the following models only:
- BMW M340i Sedan G20 (2018–2022)
- BMW M340i Touring G21 (2018–2022)
Not compatible with 320i, 330i, 330e, or other 3 Series variants. Please confirm your vehicle is an M340i before ordering.
BMW M340i Rear Valance — Gloss Black Rear Diffuser for G20/G21 (2018–2022)
Give your BMW M340i a commanding, race-bred presence with the Plus Auto Style Rear Valance. This BMW M340i Rear Valance is engineered as a direct replacement for the factory diffuser, delivering an instant visual transformation without compromising on fitment or build quality.
Why Choose This BMW M340i Rear Valance?
- M340i-Specific Design – Precision-moulded exclusively for the BMW M340i G20 Sedan and G21 Touring (2018–2022) for seamless integration with the M Sport rear bumper and factory exhaust layout.
- Premium ABS Plastic – UV-resistant and temperature-stable material widely used across the automotive industry. Will not fade, crack, or warp over time.
- Gloss Black Finish – Arrives ready to install straight from the box, or can be colour-matched and painted to suit your individual build.
- OEM-Grade Quality – Tested to meet original equipment standards for material thickness, rigidity, and surface finish.
- Sedan & Touring Fit – One product that fits both the G20 (Sedan) and G21 (Touring) body styles of the M340i.
Product Specifications
| Specification | Detail |
| Product Code | RV-AAD-CP-010 |
| Pieces Included | 1 (Rear Valance) |
| Fitment | BMW M340i G20 Sedan & G21 Touring (2018–2022) |
| Material | ABS Plastic (UV-resistant, temperature-resistant) |
| Colour | Gloss Black |
| Paintable | Yes |
| Product Dimensions | 150 × 38 × 17 cm |
| Shipping Box Dimensions | 160 × 50 × 20 cm |
| Mounting Type | Screw-fit (mounting kit included) |
What’s in the Box?
- 1 × Rear Valance for BMW M340i G20/G21 (2018–2022)
- Complete Mounting Kit (screws and fixings)
- Step-by-step Installation Manual
Installation Guide
This BMW M340i Rear Valance is designed as a direct replacement for the original factory diffuser. The OEM part must be removed prior to fitting. Installation requires only standard household tools and typically takes 30–45 minutes. For a flawless result, we recommend professional fitting by a qualified workshop.
Complete the Look of Your M340i
Whether you’re building a show car or simply want a sharper, more aggressive rear profile, this BMW M340i Rear Valance is the finishing touch your G20 or G21 deserves. Pair it with our front splitters and side skirts for a complete body styling transformation.
Free UK delivery. Same-day dispatch on orders placed before 2 PM.











