Rear Diffuser for BMW F83 M4 S55 3.0L

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Adding a more aggressive rear diffuser to your BMW can offer some performance benefits, but is primarily an aesthetic upgrade. BMWs naturally look great from the rear, why not make yours look even better?
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Turner Carbon Fiber Rear Diffuser - F8x
Turner Carbon Fiber Rear Diffuser - F8x
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:584863
Part#: 023241TMS01
In Stock
Sale - Save 24% $ 726.99

This product was last offered at the strikethrough price on
05-03-2026

$ 549.00 USD
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Sale - Save 24%
$ 726.99

This product was last offered at the strikethrough price on
05-03-2026

$ 549.00 USD
Free Shipping
Add to Wish List

A beautiful addition to make the rear of your F8X stand out!

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Turner Carbon Fiber Add-On Lower Diffuser Kit - F8X
Turner Carbon Fiber Add-On Lower Diffuser Kit - F8X
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only for use with T#584863
Turner Motorsport - Corporate Logo
T#:587860
Part#: 24623TMS01KT
Ships on Jul 24, 2026
Sale - Save 3% $ 1,340.99

This product was last offered at the strikethrough price on
05-03-2026

$ 1,300.76 USD
Free Shipping
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Sale - Save 3%
$ 1,340.99

This product was last offered at the strikethrough price on
05-03-2026

$ 1,300.76 USD
Free Shipping
Add to Wish List
If you already have the Turner upper diffuser installed on your vehicle, this kit includes all of the hardware you need to install the lower as well.
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ADRO F8X M3 / M4 Carbon Rear Diffuser
ADRO F8X M3 / M4 Carbon Rear Diffuser
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ADRO INC. - Corporate Logo
T#:27572112
Part#: A14A10-1301
In Stock
$ 1,290.00 USD
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$ 1,290.00 USD
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The ADRO diffuser is made of 100% hand-crafted carbon fiber and will bolt up easily to your OEM BMW M3 or M4 rear bumper with no fitment gaps.

This diffuser features built-in aero canards, 100% wet carbon fiber construction, and exhaust cutouts designed to fit both OEM and most aftermarket exhaust tips.

This diffuser kit will completely transform the look of the back of your BMW M3 or M4 and is much easier to install than a lot of the other diffusers on the market.

Includes:

  • 1 Carbon fiber rear diffuser
  • 3M Tape
  • Hardware
  • Installation manual
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R1 Designed Carbon Fiber Diffuser - F8x
R1 Designed Carbon Fiber Diffuser - F8x
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Suvneer - Corporate Logo
T#:21834345
Part#: F8XR1CFDIF
Ships in 5 Business Days
$ 599.99 USD
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$ 599.99 USD
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Looking to change the character of your BMW? This carbon fiber rear diffuser is a great way of getting it done. Carbon fiber means no need to paint, this diffuser will add a beautiful and sporty appearance without being overstated. Constructed of high-quality carbon fiber, this diffuser is sure to impress in every way.
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Autotecknic Dry Carbon Extended-Fin Competition Rear Diffuser - F80 M3 | F82/ F83 M4
Autotecknic Dry Carbon Extended-Fin Competition Rear Diffuser - F80 M...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
AUTOTECKNIC - Corporate Logo
T#:39261792
Part#: BM-0352-V2
Ships in 7 Business Days
$ 595.00 USD
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$ 595.00 USD
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Whether you're looking to enhance downforce or simply make a bold styling statement, this premium rear diffuser delivers in every aspect.
Vorsteiner Carbon Fiber Rear Diffuser GTS Or GTS-V - F80/82/82
Vorsteiner Carbon Fiber Rear Diffuser GTS Or GTS-V - F80/82/82 ...
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Vorsteiner - Corporate Logo
T#:9416032
Part#: 4001BMV
Ships on Aug 10, 2026
Starting at $ 1,895.00 USD
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Starting at $ 1,895.00 USD
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GTS: This Vorsteiner rear diffuser was designed to provide an aggressive, individual stylistic touch to your BMW without being overbearing. Constructed from high-quality 1x1 twill weave, this part attaches easily and accentuates your BMW's natural body lines, thus creating a high-class performance look. Professional installation is recommended. Vorsteiner is a company that was conceived through the imagination of creating the highest quality parts for the most discerning vehicles and clientele. The relentless pursuit of advancement and perfection is seen not only in the unmatched automotive parts, but also in the hands of carbon fiber craftsmen to create purely sensational parts for the most deserving and elite vehicles. GTS-V: The VRS GTS-V Aero Carbon Fiber Rear Diffuser from Vorsteiner is a high quality, lightweight diffuser that has been developed to add a significantly more aggressive style to your BMW! Rear diffusers on standard street cars are limited in how effective they can be in aiding with downforce, but with aggressive fins can still aid in preventing air turbulence at the rear of the vehicle.
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Varis Designed Carbon Fiber Diffuser - F8x
Varis Designed Carbon Fiber Diffuser - F8x
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Suvneer - Corporate Logo
T#:21834346
Part#: F8XVRCFDIF
Ships in 5 Business Days
$ 1,450.00 USD
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$ 1,450.00 USD
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If you are looking for an addition to your car that is sure to help you stand out from the rest then look no further. This Suvneer Rear diffuser is made for a perfect fit and finish and is far from subtle, Get yours today!
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Dry Cabron Versus Rear Diffuser Kit - F8x M3/M4
Dry Cabron Versus Rear Diffuser Kit - F8x M3/M4
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AUTOTECKNIC - Corporate Logo
T#:20946768
Part#: ATK-BM-0342
Ships in 7 Business Days
$ 945.00 USD
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$ 945.00 USD
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Looking to change the character of your BMW? This carbon fiber rear diffuser is a great way of getting it done. Constructed of high-quality carbon fiber, this diffuser is sure to impress in every way. Carbon fiber means no need to paint, this diffuser will add a beautiful and sporty appearance without being overstated.
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Aeroflow V1 Rear Diffuser - Gloss Black Or Matte Black - F80 M3
Aeroflow V1 Rear Diffuser - Gloss Black Or Matte Black - F80 M3 ...
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Aeroflow Dynamics - Corporate Logo
T#:9416024
Part#: D-15-18M3-V1
Back Ordered
Starting at $ 1,931.99 USD
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Starting at $ 1,931.99 USD
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Aeroflow Dynamics' V1 rear diffuser is meant for 2015-2018 BMW F80 M3. Gloss black or matte black finish High quality aluminum Made in USA! Fully CNC'd Professionally powder coated gloss black. Comes pre-drilled, hardware included Exhaust fitment: Stock, mufflers smaller than stock. Eisenmann, and muffler deletes.
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Akrapovic Carbon Fiber Rear Diffuser - High Gloss Or Matte - F80/82/83 M3, M4
Akrapovic Carbon Fiber Rear Diffuser - High Gloss Or Matte - F80/82/8...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Akrapovic - Corporate Logo
T#:9416023
Part#: DI-BM/CA/4PDK
Back Ordered
Starting at $ 1,931.99 USD
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Starting at $ 1,931.99 USD
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This rear carbon fiber diffuser will add to the style of your M vehicle, giving it a much sportier and aggressive appearance from the rear. The M3/M4 are great looking vehicles, nearly flawless, but there is always room for improvement! Made from high quality carbon fiber and built for a tight, stock-like fitment, this diffuser is the way to go when you want to add it by itself or when upgrading your exhaust system. This can help performance exhaust tips stand out even greater compared to the stock diffuser. Finish comes in either: High Gloss Matte
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