• 51123423778 Cover | Rear Bumper Protection for BMW X3 E83 LCI Models FANCHANTS China Auto Parts Wholesales
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51123423778 Cover | Rear Bumper Protection for BMW X3 E83 LCI Models

51123423778 Cover | Rear Bumper Protection for BMW X3 E83 LCI Models

51123423778 Cover - Rear Tow Hook Protection for BMW X3 E83

51123423778 Cover: Precision Rear Bumper Protection for BMW X3 E83

51123423778 cover installed on BMW X3 E83 rear bumper
Close-up of 51123423778 cover's textured surface and color match
Secure clip retention system on 51123423778 tow hook cover

The 51123423778 Cover provides factory-correct protection for the rear tow hook aperture on BMW X3 E83 models. Engineered with UV-stabilized ABS material, this component maintains precise bumper contours while preventing debris and moisture intrusion. The 51123423778 Cover features precisely molded edges that create a watertight seal around the bumper opening, protecting internal components from road contaminants. Color-matched grey finish maintains consistent appearance with factory bumper textures across various lighting conditions.

Integrated mounting system uses positive-lock clips that maintain secure attachment during vehicle operation and car washes. Precision contouring matches bumper radius within ±0.3mm tolerance, ensuring seamless visual integration. The textured surface replicates OEM patterns to maintain consistent light reflection properties. Pre-installed gasket creates compression seal that prevents rattling while accommodating thermal expansion cycles. Impact-resistant construction withstands minor collisions without compromising fitment integrity.

Component Identification Numbers:
51123423778 51-12-3-423-778

Engineering Specifications

Material Composition

High-density ABS polymer with UV inhibitors prevents fading and brittleness. Flexible perimeter seals maintain compression through temperature extremes. Impact-modified formulation withstands minor collisions without cracking.

Protective Design

Water-repellent inner channels prevent moisture accumulation. Debris-deflecting contours minimize dirt ingress into tow hook cavity. Compression seals prevent dust penetration during off-road driving.

Surface Finish

Molded-in color consistency across production batches. Micro-textured surface hides minor abrasions and swirl marks. Chemical-resistant formulation withstands car wash chemicals and road salts.

Installation System

Tool-free mounting with positive engagement feedback. Self-aligning guides ensure perfect positioning. Vibration-dampened clips maintain tension without stressing bumper material.

Model-Specific Integration

The 51123423778 Cover is engineered for precise fitment on 2007-2010 BMW X3 E83 models including 2.5si and XDrive30i variants with LCI updates. Direct replacement for original rear tow hook covers on both standard and M-Sport bumper configurations. Maintains proper clearance for parking sensors and rear fog lights where factory-equipped.

Mounting system accommodates all factory clip types used during production period. Contour profile matches revised LCI bumper shapes exactly, ensuring proper integration with updated rear fascia designs. Color-matched grey finish aligns with BMW bumper specifications for period-correct appearance. Installation requires no modification to surrounding components or bumper structure.

Compatible with: 2007-2010 BMW X3 E83 LCI models including 2.5si and XDrive30i variants requiring rear tow hook cover components identified by part numbers 51123423778 or 51-12-3-423-778

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