Beautiful and durable automobile exterior accessories make your vehicle more individualFeature:1. Fits for 3 Series E90 2006-2011 and fits for M3 E90 2007-2013.2. Adopts aerodynamic design to improves rear tire traction by using the flow of air across the body while driving to apply down force, and improve stable control while driving at high speeds.3. Gives better aerodynamics for your vehicle i.e. reduces drag, increases fuel efficiency, reinforces downforce, traction and stability.4. Glossy black painted, perfect for add-on decoration, increase both road safety and racing style.5. Made of a mixture of fiber glass and ABS Engineered Plastic for a durable long lasting performance.6. Get a track inspired look at a fraction of the cost, easy installation using double-sided tape. Specification:Condition: 100% Brand NewItem Type: Rear Roof Spoiler WingMaterial: ABS PlasticColor: Glossy Black PaintedInstallation: Add-onFitment: Fits for BMW 3 Series E90 2006-2011Fits for BMW M3 E90 2007-2013 (ONLY Fit for 4-DOOR MODELS!! NOT Fit for E91,E92,E93)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 double-sided adhesive 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 double-sided adhesive tape.6. Once you have the spoiler aligned into the correct position, carefully remove the red backing of the double-sided adhesive 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 extra attention given to the corners.