Excellent Fitment and Quality. Made of Lightweight & Top-Grade Durable ABS Material. Painted In Glossy Black Finish, Ready For Installation Right Out of the Box. Will Dramatically Improve The Sporty Appearance. Instruction Not Included, Drilling New Holes is Required For Installation. Professional Installation Is Highly Recommended. Item Type: BMW Rear Diffuser. Shape : O–O 640i Exhaust. Placement on Vehicle: Rear, Lower. Please make sure you read the description and view all products photos before placing orders. Not include Installation Instructions, Professional Installation Is Highly Recommended. This is not a genuine product, it is an aftermarket product. 100% Support For Product Verification. Brand New + Boxed + Ready To Post. Compatibility Chart Is For The Reference Only. The Best Way To Check Compatibility Is To Check The Part Number On Your Old Unit If Possible.