Features: Engineered for precise fitment in B9 models, this rear vent features intelligent airflows distribution technology that delivers balanced temperature control to all rear passenger, enhancing cabin with 25% improved ventilation efficiency. Crafted from strong , heat resistant with erosion resistant finish, this adjustable rear air vent allows personalizes airflows intensity control through its ergonomic rotary knobs while maintaining OEM grade gloss retention and against aging performances. Ideal for owners prioritizing cabin refinement – whether for family commutes requiring child seat zone comfort optimization or business professional seeking executive grade rear passenger amenities in luxury vehicles. Optimizes climate control during hot days highway drives and winter city commutes, ensuring rapid temperature stabilization across rear seating areas while complementing 's premium interior aesthetics . Exceeds aftermarket standards with direct plugs and play installation, maintaining factory dashboard integrity while providing enhanced airflows customization unavailable in stock B9 ventilation systems – a must have upgrade for discerning car enthusiasts. Specifications: Component : plastic Length: about 10cm/3.94inch Part number: 8WD819203 8W0819203B Package Includes: 1x Grille Ventilation Vents note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.