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Looking for aftermarket parts to modify or upgrade your BMW M4 with diffusers? At Tunersports.com we carry a huge selection of the top name brand performance diffuser parts and accessories.
 OUT OF STOCK DI-BM/CA/1Akrapovic 14-17 BMW M4 (F82 F83) Rear Carbon Fiber Diffuser - Matte 2015-2020 BMW M4 Base 2016-2016 BMW M4 GTS 2019-2020 BMW M4 CS $1,435.73 |
 OUT OF STOCK DI-BM/CA/4/GAkrapovic 14-17 BMW M3 (F80) Rear Carbon Fiber Diffuser - High Gloss 2015-2020 BMW M4 Base 2016-2016 BMW M4 GTS 2019-2020 BMW M4 CS $1,931.91 |
 IN STOCK - LOW DI-BM/CA/9/GFor extra visual impact, there is the option to add a hand-crafted carbon fibre diffuser. Produced in-house, this lightweight accessory – with ABE type approval – is designed to show off the tailpipes of The Akrapovic exhaust at their absolute best.This product fits on xDrive, CSL, LCI and M4 ... Akrapovic 2021+ BMW M3 (G80)/M4 (G82) Rear Carbon Fiber Diffuser - High Gloss 2021-2026 BMW M4 Base / Competition 2022-2026 BMW M4 Competition xDrive 2023-2023 BMW M4 CSL 2025-2025 BMW M4 CS $2,328.03 |
 OUT OF STOCK DI-BM/CA/9/GBFor extra visual impact, there is the option to add a hand-crafted carbon fibre diffuser. Produced in-house, this lightweight accessory – with ABE type approval – is designed to show off the tailpipes of The Akrapovic exhaust at their absolute best. A new feature is offered with this updated ver... Akrapovic 21-22 BMW M3 (G80) / M4 (G82, G83) Rear Carbon Fiber Diffuser - High Gloss Black 2021-2022 BMW M4 Base / Competition 2022-2022 BMW M4 Competition xDrive $2,892.31 |