Notice :Please kindly check your car model and make sure the model fits in case of buying the wrong product.Specifications : Color : black material : Real Carbon FiberAttachment Method: AdhesivePlace on Vehicle : Rear, TrunkQuantity: 1pcs/setType: M4 Style Rear Spoiler Wings LipFitment : For BMW 3 Series E46 316i 318i 320i 323i 325i 328i 330i M3 Sedan 4 Door 1998-2005Package Includes :1pcs/set Rear Trunk Spoiler WingFeatures : No Modification or Cutting Required.-Easy to Install with Tapes Which was Included.-Made of light weight & top-grade durable carbon fiber 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.