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M Performance Style Diffuser (Dual Exit) for BMW F30/F31 M-Sport

$549.99 USD
Material Finish


Carbon fiber M-Performance diffuser for BMW F30/F31 models with dual exit. Gives the rear end of your BMW a more aggressive and sporty look by directly replacing your plainly designed stock diffuser with a more aggressive looking M-Performance design. 

This diffuser can be made in carbon fiber, forged carbon, or in a gloss black finish

Factory mounting points/screws can be reused for install however new holes must be drilled at these points on the diffuser itself. No additional modification is required for install other than drilling new holes for factory mounting points and screws that are used to secure the stock diffuser. 


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 with a picture of your rear bumper and will help you confirm whether these will fit or not. 

DIY Installation:

See how to install these carbon fiber splitters using the YouTube link below!


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

International addresses will be shipped via UPS Worldwide Expedited/UPS Standard or USPS with 2-10 business day delivery from the date of package drop off with shipping courier 

*International orders are subject to customs/duty fees and import tax depending on the value of goods ordered and the destination of the ordered goods country's import regulations*


Any other questions or concerns email us at 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.