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TRE Pre-Preg Carbon Fibre Competition Rear Diffuser Set for BMW 4 Series G22 / G23 2020+

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Brand: TRESKU / Part #: TR-BG22CORDCF

Regular price: $1,663.00
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Sale price: $1,663.00
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TRE Pre-Preg Carbon Fibre Competition Rear Diffuser Set for BMW 4 Series G22 / G23 2020+

Subtotal: $1,663.00

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Overview

TRE Pre-Preg Carbon Fibre Competition Rear Diffuser Set for BMW 4 Series G22 / G23 2020+

*For BMW 4 Series G22/G23 (2020+ with Quad Exhaust)*

Motorsport-Grade 3-Piece Aero System

▸ Track-Optimized Performance

Triple-element design increases rear downforce
Reduces high-speed turbulence by 20%
Quad-exhaust compatible configuration

▸ Aerospace Carbon Construction

Autoclave-cured pre-preg carbon (2×2 twill)
4.2kg total weight (62% lighter than OEM)
UV-resistant aerospace clear coat

Technical Specifications

Material: Dry pre-preg carbon fibre
Thickness: 5mm reinforced structure
Finish: High-gloss (matte optional)
Hardware: Includes upgraded mounting kit

Package Contents

(1) Main diffuser section
(2) Aerodynamic winglets
Installation hardware

Installation Requirements
✔ Rear bumper removal recommended
✔ Professional installation advised
✔ Quad-exhaust configuration required

Performance Benefits
✔ Enhanced high-speed stability
✔ Improved airflow management
✔ Reduced rear axle lift
✔ Track-proven durability

Compatibility

BMW 4 Series Coupe (G22: 2020+)
BMW 4 Series Convertible (G23: 2020+)
Quad exhaust models only

Complete the Track Look With:

TRE Carbon Front Splitter
TRE Rear Spoiler
TRE Side Skirt Extensions

Available Through TRE's Global Motorsport Network

FIND A DEALER | REQUEST INSTALL GUIDE

Note: For competition use, pair with TRE rear wing for balanced downforce

Developed using BMW's G2x platform aero data

Pro Tip: Combine with TRE carbon exhaust tips for complete rear-end transformation. Ceramic coating recommended for UV protection.

Fitment Chart:

Make	Model	Variant	Year
BMW	4 Series	G22	2020+
BMW	4 Series	G23	2020+

Fitment

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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