51117165471 Inner Bracket | Structural Reinforcement System

Name: 51117165471 Inner Bracket | Structural Reinforcement System
Brand: FANCHANTS China Auto Parts Wholesales
Availability: InStock

Product variants

51117165471 Inner Bracket | Structural Reinforcement for BMW X5 E70

51117165471 Inner Bracket: Structural Reinforcement Component

Engineered for critical structural support, the 51117165471 Inner Bracket provides essential reinforcement for the front bumper assembly on BMW X5 E70 models. This precision-crafted component utilizes cold-forged high-tensile steel that maintains dimensional stability under impact loads while resisting fatigue stress. The bracket features laser-cut mounting holes positioned within 0.2mm tolerance of factory specifications for perfect alignment with existing bumper mounts. Protective zinc-nickel plating creates corrosion resistance exceeding 480 hours of salt spray testing. Optimized weight distribution ensures proper bumper positioning without affecting suspension geometry. Reinforced weld points distribute collision forces across multiple load paths to prevent localized deformation. The direct-fit design eliminates modification requirements while integrated alignment guides ensure installation accuracy. Precisely formed contours follow factory bumper curvature for seamless integration with existing mounting hardware.

51117165471

51117165472

51 11 7 165 471

51 11 7 165 472

BM1042103

51117165471 Inner Bracket structural design

High-tensile steel construction for impact resistance

Precision laser-cut mounting points for accurate fitment

Corrosion-resistant zinc-nickel plating for longevity

Technical Specifications of 51117165471 Inner Bracket

Material Engineering

Constructed from SAE 1018 cold-forged steel with yield strength of 310 MPa and tensile strength of 440 MPa for optimal impact absorption. The manufacturing process includes precision stamping with progressive die technology that maintains ±0.15mm dimensional consistency. Stress-relief heat treatment eliminates internal tension while maintaining Rockwell B75 hardness. Critical mounting surfaces undergo CNC machining for flatness within 0.1mm tolerance. Zinc-nickel electroplating provides cathodic protection with coating thickness of 8-12μm on all surfaces. Proprietary passivation treatment enhances corrosion resistance while maintaining electrical conductivity for grounding paths. The material formulation includes micro-alloying elements that enhance fatigue resistance at temperature extremes from -40°C to 120°C. Weight optimization reduces unsprung mass while maintaining structural rigidity requirements specified for frontal impact protection systems.

Structural Integration

Features multi-axis load distribution geometry that channels impact forces through reinforced transfer paths. The bracket design incorporates crumple zone engineering that maintains controlled deformation characteristics. Mounting points feature M8 and M10 threaded inserts with ISO 898-1 class 8.8 strength rating for secure fastening. Integrated alignment tabs ensure precise positioning relative to frame rails and bumper shock absorbers. Weld seam placement follows original equipment stress analysis patterns for uniform load distribution. Access channels facilitate sensor wiring routing without creating tension points. The symmetrical design accommodates both standard and M Sport bumper configurations without modification. Vibration dampening characteristics eliminate harmonic resonance at highway speeds. The universal design maintains compatibility with both halogen and adaptive headlight systems without interference with lighting adjustment mechanisms or washer fluid lines.

Compatibility Overview

This 51117165471 Inner Bracket is specifically engineered for left-side installation on BMW X5 E70 vehicles produced between 2007-2010 model years. Compatible with all trim levels including xDrive30i, xDrive35i, xDrive48i and M Sport variants. Verified fitment for vehicles with both standard and adaptive cruise control systems. Accommodates factory-installed parking sensors and headlight washer systems without modification requirements. Not compatible with models equipped with night vision camera systems or aftermarket bull bar installations. For vehicles with front parking distance control (PDC), ensure proper sensor bracket alignment during installation. Late 2010 models may require verification of bumper reinforcement bar configuration before installation. Always confirm compatibility using original vehicle VIN to ensure proper match with specific production date configurations and regional specifications.