LRS BMW M3/M4 G80/G81/G82/G83 Rear Diffuser (2021-2022)
Specifications
- Product Code: BMW-EXT-018
- Brand: LRS Performance
- Category: Exterior Parts > Rear Diffuser
- Material: Carbon fibre and fibreglass (FRP) composite
- Finish: Gloss carbon fibre with UV-resistant clear coat
- Style: M Performance (MP) Style
- Installation Type: Direct Replacement / Clip-In
- Stock Status: In Stock
- Price: $810 AUD
Fitment
- ✓ COMPATIBLE — All G8X body styles (2021-2022):
- M3 Sedan (G80) 2021-2022
- M3 Touring (G81) 2021-2022
- M4 Coupé (G82) 2021-2022
- M4 Convertible (G83) 2021-2022
- M3 Competition / M4 Competition — same rear bumper fitment
- ✗ NOT COMPATIBLE:
- F80 M3 / F82 M4 (2014-2020) — previous generation, different rear bumper
- Standard G20 3 Series / G22 4 Series (non-M) — different rear bumper
- G87 M2 — different chassis
Features
- Carbon fibre and fibreglass (FRP) composite construction — genuine woven carbon fibre outer layer with UV-resistant gloss clear coat finish
- MP style direct replacement rear diffuser engineered for the G8X M3/M4 rear bumper aperture
- Direct clip-in replacement — designed to seat into the factory rear bumper opening with no cutting or modification required on compatible vehicles
- Covers all G8X body styles — M3 Sedan, M3 Touring, M4 Coupé and M4 Convertible across the full 2021-2022 production run
- Transforms the rear-end visual presence of the G8X M3/M4 with an aggressive, motorsport-derived diffuser profile
- Pairs with the LRS BMW G8X Front Lip (BMW-EXT-014), Front Bumper Canards (BMW-EXT-021) and Rear Bumper Splitters (BMW-EXT-019/020) for a complete G8X exterior upgrade
- Professional installation recommended for best results
Shipping
LRS Performance offers free standard shipping Australia-wide on all orders.
All products are shipped via sea freight and typically arrive within
5–9 weeks from the date of order confirmation. Once your order has
been dispatched you will receive a tracking number via email.
Please note delivery times are a guide only and may be affected by
customs clearance or factors outside our control.
Returns
We do not accept change-of-mind returns. Please ensure you have
verified your vehicle's compatibility before placing your order —
all fitment information is listed on each product page. If you are
unsure, contact us at admin@lrsperformance.com before ordering.
Faulty or incorrect items will be resolved in accordance with the
Australian Consumer Law.
Common Questions About Our Products
1. Are these carbon fiber parts compatible universally?
Most of these carbon fiber parts are designed for specific car models such as BMW, Mercedes-Benz, and Volkswagen Golf. Always match your vehicle’s model, year, and variant to ensure perfect compatibility and proper fitment.
2. Do these products improve car performance significantly?
These products mainly enhance aerodynamics, reduce weight, and improve visual appeal. While some parts like spoilers and diffusers may slightly improve performance, they are primarily designed for styling and minor airflow optimization.
3. Are installation processes simple or require professionals?
Some items like mirror covers and spoilers can be installed easily using basic tools or adhesive methods. However, for parts like diffusers or engine covers, professional installation is recommended for proper alignment and safety.
4. What materials are used in these products?
Most products are made from high-quality carbon fiber, ABS, or FRP materials. Carbon fiber offers lightweight strength and premium finish, while ABS and FRP provide durability and cost-effective alternatives for exterior upgrades.
5. Do these parts fit multiple year ranges?
Yes, many of these products are designed to fit specific year ranges within a model series, such as 2012–2018 or 2015–2020. Always verify your vehicle’s production year before purchasing to ensure compatibility.
