For the BMW M3 (G80) and M4 (G82/G83), a complete front package in new original packaging represents the highest tier of “OEM+” customization. While “Cardioid” is not a standard BMW technical term, in enthusiast circles, it refers to the Carbon Front Air Inlets (Ducts), which feature a distinct heart-like or “cardioid” inward curve that replaces the standard plastic honeycomb mesh.

The following describes the Genuine BMW M Performance Carbon Fiber Front Package, as it would arrive in factory-sealed packaging.

1. M Performance Carbon Front Grille

The center of the G8x visual identity. The factory carbon grille is a full replacement for the gloss black unit.

• Design: Features the “open-frame” aesthetic, removing the middle horizontal slats of the standard Competition grille to provide a cleaner, motorsport-derived look.

• Finish: Hand-crafted 2×2 Twill weave with a high-gloss, UV-protected clear coat.

• Tech Integration: Precision-molded to accommodate the Active Cruise Control (ACC) radar sensor (if equipped) and the front-facing parking camera.

2. M Performance Carbon Front Lip (Splitter)

The foundational aero component that lowers the car’s visual center of gravity and manages underbody airflow.

• Structure: Often a three-piece design for the M Performance variant, consisting of a central splitter and two side winglets that wrap around the lower bumper edge.

• Packaging Note: Original packaging includes the specialized high-strength adhesive (Betalink), mounting screws, and factory-drilled rivet points for a flush, vibration-free fit.

• Aero Benefit: Engineered in the BMW wind tunnel to increase front-axle downforce at high speeds.

3. Carbon “Cardioid” Front Air Inlets (Ducts)

Replacing the plastic side grilles, these are the “Cardioid” elements often referred to in premium bundles.

• Visual Impact: These deep-recessed carbon scoops transform the lower bumper area into a race-ready wide-mouth intake.

• Functionality: Unlike aftermarket “covers,” the original BMW package provides full replacement ducts that channel air directly into the auxiliary radiators and brake cooling channels.

• Part Numbers: Typically found under BMW OEM codes 51118074773 (Left) and 51118074774 (Right).

Package Specifications

Why “Original Packaging” Matters

For the G8x platform, fitment is extremely sensitive due to the complex parking sensor and radar array. Parts in Original Packaging ensure:

1. Perfect Weave Alignment: Aftermarket parts often have “distortions” in the carbon curves; OEM parts are vacuum-pressed to prevent weave stretching.

2. Mounting Brackets: Genuine kits include the internal plastic mounting frames, which are required to snap the carbon pieces into the bumper—many aftermarket kits expect you to “glue” them over the old plastic.

3. Resale Value: Keeping the original boxes and BMW labels significantly boosts the resale value of the car or the parts themselves.