BMW Rear Diffusers
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In Stock2022+ BMW i4 Carbon Fiber X Style 3 Piece Rear Diffuser | G26
*Please email us any special requests* Give your BMW 4-Series a face lift with the Carbon Fiber X Style Rear Diffuser from us! Perfect fitment and High quality this Rear Diffuser will...
$1,199.99$1,199.99 -
In Stock2023+ BMW 3-Series Carbon Fiber M Performance Style Rear Diffuser | G20 LCI
*Please email us any special requests* Give your 2023+ BMW 3-Series that aggressive M Performance look with our Carbon Fiber Rear Diffuser - designed for G20 LCI...
$549.99$549.99 -
In Stock2019-2022 BMW 3-Series Carbon Fiber Rear Diffuser with LED Brake Light | G20 320i 330i
*Please email us any special requests* Add aggressive styling and premium function to your BMW with this Carbon Fiber Rear Diffuser featuring an integrated LED brake...
$649.99$649.99 -
In Stock2015-2018 BMW X5M/X6M Carbon Fiber V Style Rear Diffuser | F85/F86
*Please email us any special requests* Give your BMW M5 a face lift with the Carbon Fiber V Style Rear Diffuser from us! Perfect fitment and High quality this Rear Diffuser will not disappoint....
$1,399.99$1,399.99 -
In Stock2021-2023 BMW M5 Carbon Fiber CS Style Rear Diffuser | F90 LCI
*Please email us any special requests* Give your BMW M5 a face lift with the Carbon Fiber CS Style Rear Diffuser from us! Perfect fitment and High quality this Rear Diffuser will not disappoint. We...
$699.99$699.99 -
In Stock2021+ BMW 4-Series Carbon Fiber Rear Diffuser | G22/G23
*Please email us any special requests* Give your BMW 4-Series a face lift with the Carbon Fiber Rear Diffuser from us! Perfect fitment and High quality this Rear Diffuser will not disappoint....
$699.99$699.99 -
In Stock2021+ BMW M3/M4 Carbon Fiber M Performance Style Diffuser | G80/G82/G83
*Please email us any special requests* Give your BMW M3/M4 a face lift with the Carbon Fiber Diffuser from us! Perfect fitment and High quality these Carbon Fiber Diffuser will not...
$699.99$699.99
Why Upgrade Your BMW Diffuser?
Upgrading the rear diffuser on your BMW is one of the most effective ways to transform the back end of your car. It gives the rear bumper a lower, wider, and more aggressive look - especially when paired with quad tip exhausts or a rear spoiler.
And while the visual impact is obvious, a diffuser isn’t just about looks. Many designs also help manage airflow under the car, reducing drag and adding subtle aerodynamic benefits. It’s a mod that looks great from every angle while also serving a purpose as well.
Built to Fit. Designed to Stand Out.
All of our BMW rear diffusers are made to match OEM fitment, meaning you won’t be messing around with trimming, weird gaps, or poor mounting points. Just clean installation that bolts into the factory mounts or clips into place with minimal fuss.
We stock a range of diffusers, with options in:
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Gloss black ABS plastic - clean, stealthy, OEM+ style
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Carbon fiber finishes - motorsport look, lightweight feel
- Cutouts for quad exhaust tips or brake lights – for those going all-in on performance styling
No matter your build style, whether you’re building a subtle street car or full aero kit, there’s a diffuser that finishes off your look just right.
Diffusers for a Range of BMW Models
We stock rear diffusers for:
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BMW 2 Series (F22, G42)
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BMW 3 Series (F30, G20)
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BMW 4 Series (F32, G22)
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BMW 5 Series (F10, G30)
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M Performance models (M235i, M340i, M550i)
- Full M models (M2, M3, M4, M5)
We’ve also got fitment options for both pre-facelift and facelift models. Just use the search bar above or check your car’s specific collection to make sure you get the right fit.
Build a Cohesive Rear End
The best builds are all about flow and a diffuser helps tie everything together. Complete your car’s look by pairing it with:
- Valved BMW exhaust systems
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Trunk spoilers or ducktail wings
- Carbon fiber mirror caps
- Side skirts or lower bumper extensions
Each element adds detail and aggression, giving your BMW a fully thought-out and cohesive rear profile.
