Transform the rear end of your BMW M5 with the TRE Pre-preg Carbon Fibre Performance Rear Diffuser for F90 M5 models. Crafted from genuine dry carbon fibre with a 2x2 twill weave, this Performance style rear diffuser delivers an aggressive, OEM-plus look that perfectly follows the lines of the F90 rear bumper while adding premium motorsport presence on the road.
Designed specifically for the BMW M5 F90 platform, this TRE carbon fibre diffuser is a direct replacement for the factory part. It reuses your original hardware for a clean, straightforward install and a precise fit. Pair it with a matching carbon fibre spoiler for a cohesive, high-impact finish as shown in our photography.
We’ve fitted and used this TRE rear diffuser on customer cars and our own builds. Fitment, weave quality and finish have been consistently excellent, and customer feedback has been overwhelmingly positive about the aggressive styling and OEM-level integration.
Key features
- Genuine pre-preg dry carbon fibre construction
- 2x2 twill carbon fibre weave for a premium, factory-style look
- Performance style design that adds aggression and road presence
- Direct OEM replacement - remove the original diffuser and reuse factory fixings
- Precision fitment for BMW M5 F90, including LCI
- Ideal to combine with a carbon fibre rear spoiler for a complete aesthetic upgrade
What’s in the box
- 1 x TRE Carbon Fibre Rear Diffuser - 2x2 Weave, Pre-preg (Dry Carbon)
Compatible models
- BMW M5 F90 - 2017 to 2020
- BMW M5 F90 LCI - 2020 to 2023
Installation
Direct replacement for the OEM diffuser. Remove the original diffuser and reuse the OEM hardware to fit. Professional installation is recommended for the best result.
Need fitting support? Nforcd offers installation in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Why choose this diffuser
- Enhances the rear of your M5 with an assertive, performance-focused aesthetic
- High quality dry carbon fibre for a premium look and feel
- Made to complement the F90 body lines for an OEM-plus appearance
- Trusted by Nforcd and our customers for fit, finish and style
Style and pairing
For a cohesive, bespoke finish, match this TRE diffuser with a carbon fibre rear spoiler and other F90 carbon upgrades. The consistent 2x2 twill weave ties your exterior styling together for a unified, high-end look.
Search-friendly terms
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