IMPORTANT: Items that are NOT noted as 'In Stock' can take anywhere between 1-4 weeks until they are shipped. Items that ARE noted as 'In Stock' are usually shipped within a week or less after placing your order. Email us at info@inlinesixauto.com if you have more questions about turnaround (shipping/delivery) time frames.
Description:
Carbon Fiber M-Performance Diffuser for BMW F30/F31 – Aggressive, Sporty Rear-End Upgrade
Give your BMW F30/F31 a bold and aggressive rear-end upgrade with the M-Performance diffuser, designed to replace your stock diffuser with a more dynamic and sporty look. This diffuser adds a modern M-style design, enhancing both the appearance and performance of your vehicle.
Key Features:
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Aggressive M-Performance Design: This diffuser features a sleek and aggressive M-Performance style, instantly transforming the rear end of your BMW F30/F31 into a sportier and more dynamic look.
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Premium Material Options: Available in high-quality carbon fiber, forged carbon, or gloss black finishes to match your personal style and performance needs.
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Direct Replacement: Designed to directly replace your factory diffuser, offering a seamless and easy installation.
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Easy Installation: The factory mounting points and screws can be reused for installation. New holes need to be drilled on the diffuser to match the factory mounting points, but no additional modifications are required for the install.
Why Choose This M-Performance Diffuser? Upgrade the rear end of your BMW F30/F31 with this premium M-Performance diffuser. Available in multiple finish options, it provides a sportier, more aggressive look while maintaining a simple installation process. Whether you choose carbon fiber for a lightweight, high-performance look or gloss black for a sleek finish, this diffuser will elevate your BMW’s exterior styling.
Fitment:
2012-2018 BMW F30 3-Series M-Sport with DUAL (Two) Exit Exhaust ONLY
Will not fit non-M-Sport rear bumper! (See photo below)

Please confirm fitment before placing your order
If you are still unsure if these will fit your BMW, email us @hallenb1155@gmail.com with a picture of your rear bumper and will help you confirm whether these will fit or not.
Shipping:
This product qualifies for free shipping!
Package Includes: 1 Diffuser
Free shipping is available for US (lower 48 states) shipping addresses! Shipping takes about 1-8 business days depending on your shipping address and selected shipping speed at checkout. Shipping rates for Alaska, Hawaii, and Puerto Rico are calculated at checkout
Shipping rates for all international addresses (outside the USA) are calculated at checkout.
*International orders are subject to customs/duty fees and import taxes depending on the value of goods ordered and the destination of the ordered goods country's import regulations. Prices do not included additional customs/duty fees and or import taxes*
Contact:
Any other questions or concerns email us at hallenb1155@gmail.com or DM us on Instagram @inlinesixauto
DISCLAIMER: Depending on the climate your car resides in, prolonged sun exposure and other weather elements may decrease the longevity of the finish of these products.