FOR 2021+ BMW 4 SERIES G26 M SPORT GRAND COUPE REAR DIFFUSER SPOILER GLOSS BLACK. We pride ourselves in our customer service. We will always do all we can to resolve in fast time. NOTE:Will not fit the G22 Coupe, G23 Convertible Model. Product Name: BMW Rear Bumper Diffuser. Plastic Part: High Quality ABS Plastic. Not a Genuine BMW Part. Package including: 1x Rear Diffuser (Dual Exhaust). Professional installation is highly recommended. Instruction is not included. Please allow 0.5-1 inch difference due to manual measurement. We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. Please confirm your vehicle matches the parts compatibility chart. Day after we received your cleared payme. We check all items before sending out. All products are brand new, never been used or refurbished. Most packets arrive in 3 days. If there is any delay, it may be caused by bad weather. Busy season and some other reasons. We are not responsible for wrong or undeliverable address. We are only responsible for once re-sending expense for replacement due to defects. But you should leave us a note that Please do not include receipts. And then we will according to your request to send the parcel. 2 How can track my parecl? So you could leave a message when placing the order about how much value you would like to declare.