---
product_id: 10621489
title: "BMW 4-Series Carbon Fiber Rear Diffuser for Quad Exhaust"
brand: "tmb motorsports"
price: "S$800"
currency: SGD
in_stock: false
url: https://www.desertcart.sg/products/10621489-bmw-4-series-carbon-fiber-rear-diffuser-for-quad-exhaust
store_origin: SG
region: Singapore
---

# BMW 4-Series Carbon Fiber Rear Diffuser for Quad Exhaust

**Brand:** tmb motorsports
**Price:** S$800
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** BMW 4-Series Carbon Fiber Rear Diffuser for Quad Exhaust by tmb motorsports
- **How much does it cost?** S$800 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/10621489-bmw-4-series-carbon-fiber-rear-diffuser-for-quad-exhaust)

## Best For

- tmb motorsports enthusiasts

## Why This Product

- Trusted tmb motorsports brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Give your 4-Series aggressive styling with this quad exhaust exit diffuser. Made of 100% carbon fiber with a 1x1 twill weave, extremely light weight. Installation will require removal of the rear bumper, due to the rigidity of the diffuser. Additional holding clips/screws need to be added to the tabs to secure the diffuser into place.

## Features

- Will only fit M-Sport equipped 4-Series
- Will fit the 2014-2015 Coupe, Convertible, and Gran Coupe 4-Series, and xDrive models
- Exhaust exits are designed for most quad tipped exhausts

## Images

![BMW 4-Series Carbon Fiber Rear Diffuser for Quad Exhaust - Image 1](http://ecx.images-amazon.com/images/I/212nnQL85oL.jpg)
![BMW 4-Series Carbon Fiber Rear Diffuser for Quad Exhaust - Image 2](http://ecx.images-amazon.com/images/I/31oKgQIkORL.jpg)
![BMW 4-Series Carbon Fiber Rear Diffuser for Quad Exhaust - Image 3](http://ecx.images-amazon.com/images/I/31BMDpjVejL.jpg)
![BMW 4-Series Carbon Fiber Rear Diffuser for Quad Exhaust - Image 4](http://ecx.images-amazon.com/images/I/41VT55honAL.jpg)
![BMW 4-Series Carbon Fiber Rear Diffuser for Quad Exhaust - Image 5](http://ecx.images-amazon.com/images/I/31S9nafsJKL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sg/products/10621489-bmw-4-series-carbon-fiber-rear-diffuser-for-quad-exhaust](https://www.desertcart.sg/products/10621489-bmw-4-series-carbon-fiber-rear-diffuser-for-quad-exhaust)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-12*