Turner Motorsport Rear Diffuser for BMW 3 Series E46 (1999-2005)

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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 Motorsport ABS Diffuser - E46 M3

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

T#:597333

Part#: 028979TMS01

In Stock

Sale - Save 20% $ 331.99

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

$ 265.59 USD

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Qty

Sale - Save 20%

$ 331.99

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

$ 265.59 USD

Add to Wish List

We at Turner Motorsport weren't happy with the current offerings for E46 M3 diffusers, so we decided to create something new! Upgrade the exterior styling on your BMW E46 M3 with the Turner In-House designed and engineered ABS Rear Diffuser. The same style as the Turner Carbon Diffuser, but in a more affordable ABS plastic! 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 extending the entire width of the rear bumper, this exclusive design from Turner Motorsport will be sure to turn heads! Make a bold statement and let your BMW stand out with the Turner ABS Diffuser! Features & Specifications: Diffuser with curvature designed around the E46 M3 body lines Designed in-house using state of the art 3d laser scanning and CAD technology for precision fitment Mounts to existing bumper insert mounting locations with OE hardware Made from lightweight, vacuum-formed ABS polymer, with UV-stabilized gloss black sheet Mimics the lower section of the bumper & OE diffuser lines to accentuate OEM features Mounts to OE clip locations and OE holes on the outer edges of the bumper with supplied, stainless hardware

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Turner Motorsport Carbon Fiber Diffuser - E46 M3

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

T#:586814

Part#: 028937TMS01

In Stock

Sale - Save 12% $ 682.99

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

$ 599.99 USD

Add to Wish List

Qty

Sale - Save 12%

$ 682.99

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

$ 599.99 USD

Add to Wish List

Upgrade the exterior styling on your BMW E46 M3 with the Turner In-House designed and 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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Turner Motorsport Rear Diffuser for BMW 3 Series E46 (1999-2005)

Turner Motorsport ABS Diffuser - E46 M3

Turner Motorsport Carbon Fiber Diffuser - E46 M3

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