51127331599 Rear Bumper | Structural Bumper Assembly

The 51127331599 Rear Bumper incorporates glass-fiber reinforced polyamide composite with integrated energy-absorbing deformation zones. Its structural geometry replicates OEM contours within 0.35mm dimensional accuracy across F10/F11 chassis platforms. The monocoque design features 12 precision-molded mounting points with stainless steel reinforcement inserts.

Surface treatment utilizes dual-stage electrostatic priming with chip-resistant topcoat formulation. Aerodynamic channels reduce turbulent airflow by 18% compared to conventional designs, maintaining factory-certified drag coefficients. Compatible with both standard and parking sensor-equipped vehicle configurations.

Engineering Specifications

• • Base Material: PA6-GF35 thermoplastic
• • Wall Thickness: 2.8±0.3mm
• • Thermal Range: -40°C to 120°C
• • Impact Resistance: 5kJ energy absorption
• • Surface Hardness: 2H pencil test

Validated applications include: F10 528i 2014-2016 F10 535i xDrive 2015-2016 F11 550i Touring 2014-2015
OE Reference Numbers: 51 12 7 331 599 51.12.7.331.599 7331599 51127331599 51-12-7-331-599