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Rear Diffuser

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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Spec-D M Sport Black ABS Performance Style Rear Diffuser - 2019-2020 BMW 3 Series G20
Spec-D M Sport Black ABS Performance Style Rear Diffuser - 2019-2020 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Spec-D Tuning - Corporate Logo
T#:14684347
Part#: LFRDG2019GBMP-BN
Ships in 7 Business Days
$ 152.99

This product was last offered at the strikethrough price on
02-09-2026

$ 80.99 USD
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$ 80.99 USD
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Brand new in original box Comes with 1 piece M performance style rear diffuser Made of high-quality, black ABS plastic Paintable to match your vehicle Decreases the drag force, improving aerodynamics Gives your vehicle a more aggressive sporty appearance
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HARD Motorsport Rear Diffuser Kit - BMW E90 335i
HARD Motorsport Rear Diffuser Kit - BMW E90 335i
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
HARD Motorsport - Corporate Logo
T#:390178
Part#: RDIFFUSER.E90
Special Order: No Guaranteed ETA
$ 489.00 USD
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$ 489.00 USD
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To keep wind drag on the rear end of your E90 335i, HARD Motorsport has developed their lightweight Aluminum Rear Diffuser Kit. It reduces undercar drag, allowing for optimal downforce.

Diffuser is unpainted and does not work with stock exhaust. Straight pipes or custom exhaust work recommended.

 

Fits the following vehicles:

2006-2013 E90 BMW 335i 

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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 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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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