Factory-Level Aerodynamic Presence Without Factory Compromises
The Akrapovic WI-BM/CA/2/G Carbon Fiber Rear Trunk Lip is engineered for the 2024-2026 BMW M5 G90 sedan, delivering a clean aerodynamic upgrade that integrates with the M5's lines as though it left the factory that way. Hand-laid high-gloss carbon fiber construction keeps the WI-BM/CA/2/G at approximately 1.2 kg while reducing lift at speed and sharpening the rear silhouette. Akrapovic developed this wing using the same carbon expertise behind its motorsport exhaust systems, applying competition-derived material processes to a road car application that M5 owners can see from the outside and feel through improved high-speed stability. This is the clean, measured upgrade that completes a properly built G90 without resorting to exaggerated aftermarket styling.
Key Features
- Hand-Laid Carbon Fiber Construction Pre-preg carbon with a UV-resistant gloss clear coat maintains color fidelity and structural integrity over years of exposure to sun and heat.
- Aerodynamic Lift Reduction The WI-BM/CA/2/G lip geometry reduces rear lift at higher speeds, improving stability for spirited highway and track driving on the G90 platform.
- Purpose-Engineered for BMW M5 G90 Precision-molded for the 2024-2026 M5 G90 sedan, including both the standard M5 and M5 Competition, for seamless panel fitment and gap consistency.
- Lightweight Advantage At approximately 1.2 kg, the carbon lip contributes minimal weight while delivering an aesthetic and aerodynamic benefit not achievable with painted OEM or vinyl alternatives.
- Signature Akrapovic Carbon Weave The high-gloss 2x2 twill weave finish reflects Akrapovic's motorsport-grade manufacturing standards applied to exterior carbon components.
- Bolt-On Installation Direct-fit mounting hardware included; no cutting or drilling required for proper attachment to the G90 trunk lid.
- Motorsport Material Pedigree Developed using the same carbon fiber process Akrapovic applies to exhaust system carbon components tested at the highest levels of motorsport competition.
This Part Fits
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2024-2026 | BMW | M5 | M5 |
| 2024-2026 | BMW | M5 | M5 Competition |
Specifications
| Detail | Value |
|---|---|
| Brand | Akrapovic |
| MPN | WI-BM/CA/2/G |
| UPC | 3831126445355 |
| Material | Hand-Laid Pre-Preg Carbon Fiber |
| Finish | High-Gloss UV-Resistant Clear Coat |
| Weight | Approximately 1.2 kg (2.65 lbs) |
| Compatible Chassis | BMW G90 (M5 Sedan) |
| Compatible Trims | BMW M5, M5 Competition (G90) |
| Installation Time | Approximately 1 to 2 hours |
| Country of Origin | Slovenia |
| Warranty | Akrapovic Limited Warranty Against Manufacturing Defects |
What's Included
- Akrapovic carbon fiber rear trunk lip (WI-BM/CA/2/G)
- Complete mounting hardware set
- Akrapovic installation instructions
- Akrapovic authenticity certificate
- Protective custom packaging
Frequently Asked Questions
Does the Akrapovic WI-BM/CA/2/G fit the BMW M5 G90 Competition trim?Yes. The WI-BM/CA/2/G is designed for the 2024-2026 BMW M5 G90 sedan platform, which includes both the standard M5 and the M5 Competition xDrive. Both share the same G90 trunk lid and body panel geometry, making this carbon lip a direct fit for either variant.
Is the WI-BM/CA/2/G compatible with the 2024 or only 2025 and later M5?The product is designed for the G90-generation M5, which launched in the US as a 2024 model year. It fits 2024, 2025, and 2026 model year BMW M5 G90 sedans. The trunk lid design is consistent across all three model years.
Will the carbon lip affect the operation of the factory trunk lid spoiler or sensors?The WI-BM/CA/2/G is designed as a trunk lip rather than a trunk lid spoiler replacement. It mounts to the trailing edge of the trunk lid and does not interfere with trunk opening mechanisms, sensors, or any factory-integrated spoiler systems on the G90 M5.
How is the carbon fiber finish protected against UV fading?Akrapovic applies a UV-resistant clear coat over the carbon weave on the WI-BM/CA/2/G. This coating prevents yellowing and oxidation of the resin under prolonged sun exposure. Standard automotive detailing products safe for clear-coated carbon can be used to maintain the finish.
Does the Akrapovic WI-BM/CA/2/G require any drilling or cutting for installation?No. The WI-BM/CA/2/G is engineered as a bolt-on installation using OEM mounting points on the G90 trunk lid. The included hardware and instructions guide a clean installation without any permanent modifications to the vehicle.
What aerodynamic benefit does the rear trunk lip provide on the M5 G90?The trunk lip geometry creates a controlled disruption of airflow at the rear of the M5 G90, reducing the lift coefficient at the rear axle. At highway and track speeds, this contributes to improved rear-end stability and more predictable handling balance, complementing the G90's already capable suspension and chassis tuning.
Is this product a genuine Akrapovic part or aftermarket?The WI-BM/CA/2/G is a genuine Akrapovic product manufactured in Slovenia to the same quality standards as the brand's exhaust systems and race-derived carbon components. An Akrapovic authenticity certificate is included with every unit.
Does the Akrapovic trunk lip require professional installation?The WI-BM/CA/2/G can be installed by an experienced DIY enthusiast using basic tools. Professional installation is recommended for best gap alignment and panel fit consistency, particularly on a high-value vehicle like the M5 G90 where precision matters aesthetically.
Installation Instructions
- Clean the trunk lid surface thoroughly and allow to dry completely before installation.
- Test-fit the WI-BM/CA/2/G on the trunk lid edge and verify panel alignment on both sides.
- Follow the Akrapovic instruction sheet to attach mounting hardware at the designated OEM mounting points.
- Seat the carbon lip evenly along the trunk edge, ensuring consistent gap between lip and bodywork.
- Secure all fasteners to specified torque per included instructions.
- Inspect from rear of vehicle at ground level to verify symmetrical alignment and flush fit.
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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