M-Tech M Sport rear diffuser for BMW E39 5-Series upgrades rear aerodynamics with twin muffler single outlet styling. Constructed from durable polypropylene, this rear bumper lip improves airflow efficiency, adds aggressive performance styling, and installs easily with precise vehicle-specific fitment.

Note:

• Please test fit the items before any painting or modifications. Professional installation is recommended to ensure optimal performance. Any painting or modifications will void the warranty.