If you like our performance style carbon fiber diffuser for the BMW 4 series, but would prefer something less exensive for an option that is easier to install then this version made out of durable polypropylene is the answer for you. These diffuser are made using 100% polypropylene which is the same material as the OEM bumpers so you know they are built to last. They will fit all M-Sport models consisting of 2014-2020 BMW F32 coupe, F33 convertible and F36 gran coupe. This performance style M Sport 4 series diffuser installs right where your old diffuser mounts using the same mounting locations. This makes the install very simple and can be done in under 30 minutes. Each piece is then quality checked by our team at RW Carbon to make sure you are receiving a high quality Performance Style Diffuser.

Installation

This BMW 4 series diffuser takes the place of your existing diffuser using the same mounting locations. The rear bumper will not need to be removed. If you have any further questions please do not hesitate to give us a call.

Fitment

• 2014-2020 BMW F32/F33/F36 4 Series w/ M Sport package
• 428i 430i 435i 440i
• Coupe, Convertible & Gran Coupe

Features

• Comes in a Satin Black Finish
• Superior fitment and quality
• Made using rear polypropylene
• Improves the appearance of your 4 series
• Strong and durable
• Resistant to cracking and fading