Genuine OEM Audi Bumper Guide, part number 8K5807889A. This component is essential for correctly aligning and securely mounting the vehicle's bumper. It is installed on the rear left side. Made from durable black plastic, it measures approximately 18 cm long. Using a genuine OEM bumper guide ensures precise fitment and proper tension, which is crucial for maintaining the bumper's structural integrity, appearance, and impact absorption capabilities.