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:
M-Performance Diffuser for BMW F30/F31 Single Exit – Aggressive and Sporty Rear-End Upgrade
Elevate the rear end of your BMW F30/F31 with this M-Performance diffuser, designed to replace the plain stock diffuser with a more aggressive, sporty M-Performance look. Perfect for those looking to add a bold aesthetic to their BMW, this diffuser enhances the vehicle’s rear-end styling while maintaining functionality.
Key Features:
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Aggressive M-Performance Design: This diffuser transforms your F30/F31’s rear end, adding a sporty and aggressive M-Performance look that enhances your BMW’s overall aesthetic.
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Available in Carbon Fiber/ Forged Carbon or Gloss Black Finish: Choose between real carbon fiber, forged carbon, or a sleek gloss black paint finish to suit your style preferences and match your vehicle’s look.
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Direct Replacement with Factory Mounting Points: Designed to directly replace your stock diffuser. The factory mounting points and screws are reused for easy installation. (Note: new holes must be drilled in the diffuser to align with the factory mounting points.)
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Simple Installation: No additional modifications required—just drill new holes for mounting and secure the diffuser with factory screws for a hassle-free upgrade.
Why Choose This M-Performance Diffuser?
For BMW F30/F31 owners looking to enhance the rear-end appearance, this M-Performance diffuser offers an easy, direct replacement that gives your car a sportier, more aggressive look without the need for complicated modifications.
Fitment:
2012-2018 BMW F30 3-Series M-Sport with SINGLE 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 we will help you confirm whether these will fit or not.
Shipping:
Package Includes: 1 carbon fiber 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.