For BMW F20 F21 Rear Window Side Spoiler Car Rear Trunk Diffuser Canard Splitter 1 Series 116d 120i 118i M140i M135i 2012-2019 Fitment: For BMW 1 Series F20 F21 2-door 4-doorHatchback 2012-2019 Detail Models 120i/M140i 2015-2019 116i/118i/116d/118d/120d 2011-2019 125i/125d/M135i 2012-2019 114i/114d 2012-2015 Feature: 1. Improve the aerodynamic characteristics by enhancing the transition between the high-speed airflow below the vehicle and the free airflow in the surrounding atmosphere. 2. Provide space for the airflow under the vehicle to decelerate and expand, thereby providing pressure recovery by providing a degree of "wake fill" or more accurately. 3. Does not cause excessive airflow separation and resistance and keep driving safety. 4. Made of quality ABS material, the rear bumer lip has high hardness and wear resistance. 5. Performance sport style rear diffuser, perfect for decoration, improve your car safety and racing style. Package include: 2 pcs rear window side spoiler(left+right) Please note: Before placing an order, please confirm whether your model matches the compatibility. If in doubt, please leave a message about your car Model-Year-Engine-Trim (Would better a picture).