Notice :Please kindly check your car model and make sure the model fits in case of buying the wrong product.Specifications : Color : Glossy black material : ABS PlasticAttachment Method : Adhesive, Add OnPlace on Vehicle : Rear, TrunkQuantity : 1pcs/setManufacture Type : Aftermarket Product Fitment : For BMW 3 Series E90 & E90 M3 4 Door Sedan 2005-2012NOTE : Doesn't Fit For E92/E93 Coupe/Convertible 2 Door or Wagon Models Package Includes :1pcs/set M4 Style Rear Trunk Spoiler WingFeatures : No Modification or Cutting Required.-Easy to Install with Tapes Which was Included.-Made of light weight & top-grade durable ABS plastic material.-Will dramatically improve the sporty appearance for your car.Warm reminder :If the double-sided adhesive paper does not stick, it is normal, you just only need to heat the adhesive paper with a heat gun.