51777387350 Skirt Bracket | Structural & Chassis Compliance

Specifically engineered for 2017-2020 BMW 5 Series G30/G38 platforms, the 51777387350 Skirt Bracket employs high-tensile aluminum alloy construction with precision mounting geometry. The multi-axis CNC-machined component maintains dimensional stability within ±0.25mm tolerance across production variants, featuring corrosion-resistant anodized surface treatment meeting DIN 50939 specifications. Reinforced rib structures distribute dynamic loads up to 45kg while maintaining structural integrity under continuous vibration exposure.

Thermal expansion compensation design accommodates temperature fluctuations from -30°C to 85°C without deformation. The mounting interface incorporates self-aligning bushings for simplified installation, eliminating adjustment requirements during assembly. Surface texture replication ensures seamless visual integration with OEM components, while the lightweight construction reduces unsprung mass by 320g per side compared to conventional solutions.

Engineering Specifications

• • Material Composition: AlMg3.5Mn Alloy
• • Surface Treatment: Type II Anodization
• • Operating Temperature: -30°C~85°C
• • Load Capacity: 45kg Dynamic / 70kg Static
• • Weight: 850g ± 3%

Application Coverage: G30 2017-2020 G38 Long Wheelbase 520i/530i/540i M550i xDrive
OE Reference Network: 51777387350 51777387349 A12795 Seitenschwellerhalterung Rockerschutzhalter