51137397867 Trim | Door Bottom Seal System
51137397867 Trim | Door Bottom Seal System
51137397867 Trim
Specifically designed for BMW 7 Series G12 LCI models, this 51137397867 Trim enhances the front door appearance while providing durable protection along the lower door edge. The precision-engineered profile maintains consistent alignment with factory body lines.
Product Description
The 51137397867 Trim transforms the front door profiles of BMW 7 Series G12 LCI models with its sophisticated bright black finish. Engineered as a critical exterior accent piece, this molding attaches along the door's lower edge to create visual separation while protecting vulnerable areas from road debris and parking impacts. The high-gloss surface treatment achieves deep chromatic depth that resists micro-scratches and maintains its appearance through years of exposure. Flexible mounting clips distribute installation pressure evenly across the entire length, eliminating stress points that could cause deformation. Precision-engineered curvature matches factory door contours perfectly without gaps or misalignment shadows. Integrated moisture channels prevent water accumulation behind the trim while maintaining consistent adhesion along the entire surface. The rigid core structure maintains dimensional stability during temperature extremes ranging from -30°C to 85°C operational environments. Front door specific design accounts for unique curvature requirements compared to rear door applications. Dual-component construction combines impact-resistant polymer core with UV-stabilized gloss top layer that maintains its reflective quality for extended periods. Seamless end caps eliminate sharp edges while creating smooth transitions at termination points. The bright black color coordinates with factory shadowline trim packages while providing elegant contrast against various paint colors. Installation alignment guides ensure perfect positioning without measurement tools or trial adjustments, making replacement straightforward.
Compatibility Information
This 51137397867 Trim is engineered exclusively for BMW 7 Series G12 LCI platform:
- Designed for 2017-2021 BMW 7 Series LCI models (G12 long wheelbase)
- Specific application: Left front door trim (51137397867) and right front door trim (51137397868)
- Compatible with all factory paint colors and exterior trim configurations
- Maintains clearance for door mechanisms and lower seals
- Correctly interfaces with both standard and extended wheelbase variants
- Matches original bright black finish for consistent appearance
- Designed exclusively for Life Cycle Impulse (LCI) updated models
Critical note: Verify production date and door configuration using VIN. Related OE identifiers include 51137397867 (left), 51137397868 (right).
Technical Specifications
Material Composition
Advanced polymer matrix with UV-resistant additives and scratch-resistant gloss coating. Fiberglass reinforcement provides structural integrity while maintaining flexibility for contour matching.
Structural Design
Precision-engineered curvature with ±0.5mm tolerance to factory specifications. Integrated mounting system with stainless steel retention springs maintains consistent pressure without deformation.
Environmental Resistance
Temperature-resistant construction maintains integrity from -30°C to 95°C. Chemical-resistant surface repels automotive fluids, road salts, and environmental pollutants without degradation.
Optical Properties
Deep-gloss finish with UV inhibitors maintains reflectivity. Color-stable pigments prevent fading or yellowing. Micro-textured surface minimizes visible scratches from daily use.
Compatible Product Declaration
Compatible with 2017-2021 BMW 7 Series G12 LCI models requiring front door bright trim replacement. This component aligns with original equipment specifications for bright black exterior trim applications. Verified OE references: 51137397867 (left), 51137397868 (right).
Materials
Materials
Dimensions
Dimensions
Care Instructions
Care Instructions




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