Elevate the engine bay of your G2x BMW with a visually striking, precision-made carbon fiber engine cover engineered for performance-inspired style. Crafted from very high-quality carbon fiber, this cover combines a classic 2×2 twill weave foundation with a purposeful Carbon Mosaic texture that plays with light and depth. Crisp beveled stripe detailing brings a motorsport edge that looks intentional and refined every time the hood is open.
Built with a dry resin composite process for enhanced clarity and definition, this cover delivers consistent surface quality and strong thermal resilience. Designed to fit BMW M240i, M340i, and M440i engines with exacting alignment, it’s a no-compromise aesthetic upgrade for drivers who want the engine bay to reflect the caliber of the car beneath it.
Key Features
Premium 2×2 Twill Carbon Fiber – classic performance weave with depth and clarity
Carbon Mosaic Surface – intentional texture that reads premium and purposeful
Beveled Stripe Inlays – sculpted accents that add visual definition
Dry Resin Composite Process – crisp surface quality and engine-bay durability
Precision Fitment – engineered specifically for G2x M240i, M340i, and M440i applications
Whether you’re an enthusiast who shows your car or someone who simply appreciates refined engineering details, this engine cover brings a cohesive, high-end look right where it matters.
Vehicle fitment
Vehicle
BMW M240i (G42), BMW M340i (G20), BMW M440i (G22/G23/G26), BMW X3 M40i (G01), BMW X4 M40i (G02)
Model years
2018–2026
Trims
M240i, M340i, M440i, X3 M40i, X4 M40i
Notes
For the B58 engine.
Specifications
Material
Dry Carbon Fiber
Carbon type
Dry carbon (pre-preg)
Weave
Twill
Part type
Aerodynamics & Body Kits
SKU
CBB04-20-0234
Condition
New
Shipping
Processing time varies by part — current availability is shown above the Add to cart button.
$10 flat-rate shipping per order to any US address — one charge even if you add more parts that ship the same way.
Large parts like this may ship by freight. Inspect the crate and note any damage with the driver before signing.
Tracking is emailed when your order ships.
Returns
Request a return within 30 days of delivery by emailing hello@royalperformanceusa.com — an approval / RMA is required before sending anything back.
Items must be unopened, unused and uninstalled, in original packaging. A 20% restocking fee applies and return shipping is paid by the customer.
Installed, altered, painted, custom, special-order and pre-order items can't be returned.
Report shipping damage within 72 hours with photos of the box, label and part.