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Note: For F10 Sedan 550i models only. Product Descriptions: The rear end of a car underbody is where a diffuser is usually located. It accelerates the velocity of the airflow underneath the car to create downforce. The pressure under the car is affected by the diffuser so that it can expand back to ambient in the diffuser, as the car moves forward, such that the pressure decreases while the velocity increases. Since the pressure below the car is lower than on the side and above the car, downforce is produced if implemented correctly. The diffuser “drives” the underbody, which produces the downforce. Performance Style Rear Diffuser -Matte Black -Made of durable Polypropylene -Snaps on. Material: Diffuser – Polypropylene. Color: Diffuser – Matte Black. What’s in the box: 1 x Rear Bumper Diffuser. What you might need to install: Basic Hand tools. Installation manual is not included. Professional installation is highly recommended. We are here to assist you! Contact a sales tech by clicking on Ask A Question! If your question or request is urgent, or regarding an order in process, please give us a call! Your satisfaction is important to us! Contact a sales advisor by clicking on the Ask A Question button for help processing a return. MY ORDER WAS DAMAGED IN TRANSIT. It is our responsibility to take care of it but they must be reported to us immediatly. YOU SENT ME THE WRONG ITEM! The item “Matte Black Diffuser For BMW 550i 2011-2016 Shark Fins F10 Sedan M Sport Bumper” is in sale since Wednesday, August 21, 2019. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Exterior\Bumpers & Parts”. The seller is “motorbyte” and is located in Rowland Heights, California. This item can be shipped worldwide.

• Brand: MTB
• Other Part Number: Upgrade Conversion Replacement Rear Lip Body Kit Fins Fin Valance
• Warranty: 90 DAY
• Interchange Part Number: Matte Lower Diffuse Under Body Downforce PP Snap-on Trim Moulding
• Color: Matte Black
• Fitment Type: Direct Replacement
• Note: For F10 Sedan 550i models only
• Manufacturer Part Number: 11 12 13 14 15 16 2016 2015 2014 2013 2012 2011 Low Bumper Bottom
• MPN: 267179
• Material: Polypropylene
• Installation instructions: Not included
• Placement on Vehicle: Rear, Lower

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Matte Black MP Style Front Lip For BMW 4 Series F32 F33 F36 14-19 Bumper Spoiler. Upgrade your vehicles appearance with our Front lip spoiler and add a more aggressive look to your vehicle, all while improving it’s aerodynamics. Made from Polypropylene for durability and long lasting performance. Spice up your ride today! Front Lip Spoiler -Sturdy and durable. Add an aggressive touch to your ride. Comes with all the necessary hardware for installation. Front Lip – Polypropylene. Front Lip – Matte Black. What’s in the box. 1 x Front Lip Spoiler. What you might need for installation. Installation hardware is included. Installation instructions are not included. Notes: Avoid over-torquing any screws during installation. 267335 / SKU: 5-LIPF-BMF32MP-MB-B3 / TITLE: Matte Black MP Style Front Lip For BMW 4 Series F32 F33 F36 14-19 Bumper Spoiler. The item “Matte Black MP Style Front Lip For BMW 4 Series F32 F33 F36 14-19 Bumper Spoiler” is in sale since Friday, August 23, 2019. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Exterior\Bumpers & Parts”. The seller is “advanation” and is located in Rowland Heights, California. This item can be shipped worldwide.

• Brand: ADV
• Other Part Number: Upgrade Conversion Replacement Matte Coupe Convertible 2-Door
• Warranty: 90 DAY
• Interchange Part Number: Aerodynamic Wing Diffuser Flat Aero Kit Sport Splitter Moulding
• Color: Matte Black
• Fitment Type: Direct Replacement
• Manufacturer Part Number: 14 15 16 17 18 19 2019 2918 2017 2016 2015 2014 Ground Effects
• MPN: 267335
• Material: Polypropylene
• Installation instructions: Not included
• Placement on Vehicle: Front, Lower

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Matte Black Rear Performance Style Diffuser For BMW 4-Series 14-19 F32 F33 F36. Note: Fit models with M-Sport rear bumper only. Does not fit 428i & 430i models. The rear end of a car underbody is where a diffuser is usually located. It accelerates the velocity of the airflow underneath the car to create downforce. The pressure under the car is affected by the diffuser so that it can expand back to ambient in the diffuser, as the car moves forward, such that the pressure decreases while the velocity increases. Since the pressure below the car is lower than on the side and above the car, downforce is produced if implemented correctly. The diffuser “drives” the underbody, which produces the downforce. MP Style Rear Diffuser -Matte Black finish. Made of durable Polypropylene. What’s in the box. 1 x Rear Bumper Diffuser. What you might need for installation. Installation manual is not included. Installation hardware is not included. Professional installation is highly recommended. Diffuser – Matte Black. We compare prices for you. 2-DIFF-BMF32MP-MB-435-J3 Matte Black Rear Performance Style Diffuser For BMW 4-Series 14-19 F32 F33 F36. The item “Matte Black Rear Performance Style Diffuser For BMW 4-Series 14-19 F32 F33 F36″ is in sale since Tuesday, November 24, 2020. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Exterior\Bumpers & Parts”. The seller is “carpartsconnection.inc” and is located in Rowland Heights, California. This item can be shipped worldwide.

• Other Part Number: Upgrade Conversion Replacement Rear Bumper Lip Body Kit Moulding
• Warranty: 90 DAY
• Color: Matte Black
• Fitment Type: Direct Replacement
• Manufacturer Part Number: 14 15 16 17 18 19 2019 2018 2017 2016 2015 2014 M-Sport Style
• MPN: 304101
• Material: Polypropylene
• Placement on Vehicle: Rear, Lower
• Brand: CPC
• Interchange Part Number: Bottom Matt Black Low Diffuse Under Body Downforce Trim Valance
• Note: Fit models with M-Sport rear bumper only, does not fit 428i 430i
• Country/Region of Manufacture: Taiwan
• Installation instructions: Not included

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