# Dinan 21-26 BMW M4 Carbon Rear Splitter

Dinan Carbon Fiber Rear Side Splitters (rear winglets) offer a simple straightforward solution to enhancing the rear quarters of your G82/G83 M4. Together with the Dinan Rear Diffuser Surround, the combination creates a "full" rear diffuser that is restrained but elevated and creates a nuanced OEM+ option for the marketplace.

-   Includes mounting screws and also utilizes factory mounting tabs for an easy installation with a clean fit and finish
-   2x2 gloss twill dry carbon fiber (pre-preg) manufactured to be impact resistant, durable and strong
-   Pair together with the Dinan Rear Diffuser Surround to complete the full rear look
-   Clear coated for maximum UV protection and fade resistance

This Part Fits:

Year

Make

Model

Submodel

2021-2026

BMW

M4

Base

2021-2026

BMW

M4

Competition

2022-2026

BMW

M4

Competition xDrive

2023

BMW

M4

CSL

## Details

- **Price:** 853.22 CAD
- **Vendor:** Dinan
- **Type:** Lips & Splitters

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 853.22 CAD | In stock |

## Images

- Photo - Primary
- Photo - lifestyle view
- Photo - out of package
- Photo - out of package

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/dinan-21-26-bmw-m4-carbon-rear-splitter)
> Updated: 2026-07-05