Rear Diffuser for BMW 3 Series G20 (2019+)

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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 Gloss Black ABS Diffuser - G20 M340i/xDrive
Turner Gloss Black ABS Diffuser - G20 M340i/xDrive
For Pre-LCI vehicles only (production date up to 07/2022)
10X Entries Into Our F80 M3 Sweepstakes
Does not fit factory exhaust tips
Turner Motorsport - Corporate Logo
T#:642120
Part#: 008653LA01
In Stock
Sale - Save 15% $ 537.99

This product was last offered at the strikethrough price on
06-14-2026

$ 457.29 USD
Free Shipping
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Sale - Save 15%
$ 537.99

This product was last offered at the strikethrough price on
06-14-2026

$ 457.29 USD
Free Shipping
Add to Wish List
Upgrade the exterior styling on your BMW G20 M340 with the Turner In-House engineered Gloss Black Rear Diffuser. Using all factory mounting locations, this diffuser is a direct bolt-on upgrade that can be installed in minutes. Featuring a deep profile, an aggressive fin design, this exclusive design from Turner Motorsport will be sure to turn heads!
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Turner Carbon Fiber Diffuser - G20 M340i / xDrive
Turner Carbon Fiber Diffuser - G20 M340i / xDrive
For Pre-LCI vehicles only (production date up to 07/2022)
10X Entries Into Our F80 M3 Sweepstakes
Does not fit factory exhaust tips
Turner Motorsport - Corporate Logo
T#:642041
Part#: 013748LA01
In Stock
Sale - Save 10% $ 822.99

This product was last offered at the strikethrough price on
06-14-2026

$ 740.69 USD
Free Shipping
Add to Wish List
Sale - Save 10%
$ 822.99

This product was last offered at the strikethrough price on
06-14-2026

$ 740.69 USD
Free Shipping
Add to Wish List
Upgrade the exterior styling on your BMW G20 M340 with the Turner In-House engineered Carbon Fiber Rear Diffuser. Using all factory mounting locations, this diffuser is a direct bolt-on upgrade that can be installed in minutes. Featuring a deep profile, an aggressive fin design, and hand-laid 2x2 pre-preg carbon fiber, this exclusive design from Turner Motorsport will be sure to turn heads!
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ADRO Carbon Fiber Rear Diffuser - BMW G20 M340 LCI
ADRO Carbon Fiber Rear Diffuser - BMW G20 M340 LCI
For 2023+ LCI models
ADRO INC. - Corporate Logo
T#:54852018
Part#: A14A70-1302
Ships on Oct 30, 2026
New Item
$ 1,355.00 USD
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$ 1,355.00 USD
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The ADRO BMW G20 M340i LCI Rear Diffuser introduces a more sculpted and sophisticated presence to the rear of the vehicle. Crafted from premium carbon fiber and hand finished with exceptional attention to detail, its original 3-piece construction creates a layered, tailored look that enhances the rear profile with greater depth and definition. The result is a subtle yet striking statement that feels both refined and unmistakably purposeful.
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ADRO G20 M340i LCI Carbon Rear Winglet Set
ADRO G20 M340i LCI Carbon Rear Winglet Set
For LCI M-Sport Models Only!
ADRO INC. - Corporate Logo
T#:27605446
Part#: A14A70-1301
Ships in 3 Business Days
$ 650.00 USD
Add to Wish List
$ 650.00 USD
Add to Wish List

The 2023+ BMW G20 M340i LCI Rear Winglet offers an aggressive aesthetic to complete the rear-end of the vehicle. Crafted from premium carbon fiber, this original design is hand-made and offers the best in the market, making it the perfect choice for BMW fans.

Includes:

  • 2 Carbon Diffuser Side Fins
  • 3M Tape
  • Hardware
  • Installation manual
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