Feature: 1. Offers better aerodynamics for your vehicle, reduces drag, increases fuel efficiency, reinforces downforce, traction and stability. 2. Trunk spoiler is a part of the car aerodynamic kit. The main function is to reduce the lift at the rear of the vehicle. 3. Make the air resistance form a downward pressure when the car is driving at high speeds, effectively control the airflow down pressure, increase the car's high‑speeds driving stability. 4. Get a track inspired look at a fraction of the cost, easy to install with equipped double‑sided tape. 5. Glossy black painted, will dramatically improve the sporty appearance for your car. 6. Made of high quality ABS plastic material, anti‑corrosion and high strength for maximum durability. Specification: Conditon: 100% Brand New Item Type: Trunk Spoiler Material: ABS Color: Glossy Black PaintedFinish: High Gloss UV Protected Clear CoatType: For M Performance Style Spoiler Fitment:Fit for 1 Series E88 Convertible 2007-2013 (Only For 2-Door Coupe Models, Not For E87 E81 Models！！) Fitting Instructions:1. Make sure that the mounting surface is deaned thoroughly afterward. 2. Test fit the spoiler prior to installing. 3. Line up the spoiler on the trunk and mark its proper positioning with painter's tape. 4. Peel the red backing of the tape approximately 2 inches from either side of the spoiler. 5. Place the spoiler on the car without removing all of the red backing of the tape. 6. Once you have the spoiler aligned into the correct position, carefully remove the red backing of the tape while the spoiler is simultaneously being pressed firmly into place. It is recommended that two people complete this step. 7. Apply pressure to the spoiler after it is installed with painter's tape, with more attention given to the corners. It is recommended that you do not drive the car until the spoiler is given time to solidify firmly to the trunk.. Package List: 1 x Trunk Lid Spoiler2 x Double Sides Adhesive Tape Note: Only For 2‑Door Coupe Models, Not For E87 E81 Models！！