Rear Carbon Fibre Upgrades
Rear upgrades are one of the most impactful ways to enhance the look and performance intent of your vehicle. Whether you’re refining the rear profile, adding carbon fibre aero, or completing a full exterior transformation, high‑quality rear components help balance your car’s stance and visual presence.
At AUTOID, we offer a comprehensive range of rear upgrades and exterior styling parts, including diffusers, spoilers, trims and accessories developed for precise vehicle‑specific fitment. These parts are engineered to integrate seamlessly with factory body lines and complement other exterior enhancements such as front splitters and side skirts.
Rear Carbon Fibre Upgrades
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3DDesign Carbon Fibre Rear Diffuser for BMW 8 Series (2019+, G14 G15) 3DDesign Carbon Fibre Rear Diffuser for BMW 8 Series (2019+, G14 G15)
3DDesign Carbon Fibre Rear Diffuser for BMW 8 Series (2019+, G14 G15)
£3,262Sale price £3,262 Regular price -
3DDesign Carbon Fibre Rear Diffuser for BMW M8 (2019+, F91 F92 F93) 3DDesign Carbon Fibre Rear Diffuser for BMW M8 (2019+, F91 F92 F93)
3DDesign Carbon Fibre Rear Diffuser for BMW M8 (2019+, F91 F92 F93)
£3,748Sale price £3,748 Regular price -
3DDesign Carbon Fibre Rear Spoiler for BMW 8 Series & M8 (2019+, G16 F93) 3DDesign Carbon Fibre Rear Spoiler for BMW 8 Series & M8 (2019+, G16 F93)
3DDesign Carbon Fibre Rear Spoiler for BMW 8 Series & M8 (2019+, G16 F93)
£1,502Sale price £1,502 Regular price -
3DDesign Carbon Fibre Trunk Spoiler for BMW 2 Series & M235i (2020-2024, F44) 3DDesign Carbon Fibre Trunk Spoiler for BMW 2 Series & M235i (2020-2024, F44)
3DDesign Carbon Fibre Trunk Spoiler for BMW 2 Series & M235i (2020-2024, F44)
£1,072Sale price £1,072 Regular price -
3DDesign Carbon Fibre Rear Diffuser for BMW M235i (2020-2024, F44) 3DDesign Carbon Fibre Rear Diffuser for BMW M235i (2020-2024, F44)
3DDesign Carbon Fibre Rear Diffuser for BMW M235i (2020-2024, F44)
£1,897Sale price £1,897 Regular price -
M Performance Rear Bootlid for BMW 2 Series, M2 & M2 Competition (2014-2021, F22 F87) M Performance Rear Bootlid for BMW 2 Series, M2 & M2 Competition (2014-2021, F22 F87)
M Performance Rear Bootlid for BMW 2 Series, M2 & M2 Competition (2014-2021, F22 F87)
£2,749Sale price £2,749 Regular price -
M Performance Carbon Fibre Rear Spoiler for BMW 3 Series (2018+, G20) M Performance Carbon Fibre Rear Spoiler for BMW 3 Series (2018+, G20)
M Performance Carbon Fibre Rear Spoiler for BMW 3 Series (2018+, G20)
£622Sale price £622 Regular price -
3DDesign Carbon Fibre Trunk Spoiler for Toyota Supra (2019+, J29) 3DDesign Carbon Fibre Trunk Spoiler for Toyota Supra (2019+, J29)
3DDesign Carbon Fibre Trunk Spoiler for Toyota Supra (2019+, J29)
£1,356Sale price £1,356 Regular price -
3DDesign Roof Spoiler for BMW 1 Series & M135i (2019+, F40 F70) 3DDesign Roof Spoiler for BMW 1 Series & M135i (2019+, F40 F70)
3DDesign Roof Spoiler for BMW 1 Series & M135i (2019+, F40 F70)
£870Sale price £870 Regular price -
3DDesign Roof Spoiler for BMW X3 (2018+, G01) 3DDesign Roof Spoiler for BMW X3 (2018+, G01)
3DDesign Roof Spoiler for BMW X3 (2018+, G01)
£934Sale price £934 Regular price -
3DDesign Carbon Fibre Trunk Spoiler for BMW X4 (2018+, G02) 3DDesign Carbon Fibre Trunk Spoiler for BMW X4 (2018+, G02)
3DDesign Carbon Fibre Trunk Spoiler for BMW X4 (2018+, G02)
£1,062Sale price £1,062 Regular price -
3DDesign Carbon Fibre Trunk Spoiler for BMW X4M (2019+, F98) 3DDesign Carbon Fibre Trunk Spoiler for BMW X4M (2019+, F98)
3DDesign Carbon Fibre Trunk Spoiler for BMW X4M (2019+, F98)
£1,402Sale price £1,402 Regular price -
3DDesign Carbon Fibre Rear Diffuser for BMW X4 M40i (2018+, G02) 3DDesign Carbon Fibre Rear Diffuser for BMW X4 M40i (2018+, G02)
3DDesign Carbon Fibre Rear Diffuser for BMW X4 M40i (2018+, G02)
£1,787Sale price £1,787 Regular price -
3DDesign Carbon Fibre Rear Diffuser for BMW X3 Pre-LCI (2018-2021, G01) 3DDesign Carbon Fibre Rear Diffuser for BMW X3 Pre-LCI (2018-2021, G01)
3DDesign Carbon Fibre Rear Diffuser for BMW X3 Pre-LCI (2018-2021, G01)
£1,695Sale price £1,695 Regular price -
3DDesign Carbon Fibre Rear Diffuser for BMW X4M (2019+, F98) 3DDesign Carbon Fibre Rear Diffuser for BMW X4M (2019+, F98)
3DDesign Carbon Fibre Rear Diffuser for BMW X4M (2019+, F98)
£2,694Sale price £2,694 Regular price -
3DDesign Carbon Fibre Rear Diffuser for BMW X3M (2019+, F97) 3DDesign Carbon Fibre Rear Diffuser for BMW X3M (2019+, F97)
3DDesign Carbon Fibre Rear Diffuser for BMW X3M (2019+, F97)
£2,593Sale price £2,593 Regular price -
M Performance Carbon Fibre Rear Diffuser for BMW 3 Series (2018+, G20 G21) M Performance Carbon Fibre Rear Diffuser for BMW 3 Series (2018+, G20 G21)
M Performance Carbon Fibre Rear Diffuser for BMW 3 Series (2018+, G20 G21)
£962Sale price £962 Regular price -
M Performance Gloss Black Rear Diffuser Trim for BMW 3 Series (2018+, G20 G21) M Performance Gloss Black Rear Diffuser Trim for BMW 3 Series (2018+, G20 G21)
M Performance Gloss Black Rear Diffuser Trim for BMW 3 Series (2018+, G20 G21)
£347Sale price £347 Regular price -
M Performance Rear Diffuser for BMW M135i (2019-2024, F40) M Performance Rear Diffuser for BMW M135i (2019-2024, F40)
M Performance Rear Diffuser for BMW M135i (2019-2024, F40)
£1,007Sale price £1,007 Regular price -
3DDesign Carbon Fibre Rear Diffuser (Type 1) for BMW M2 & M2 Competition (2015-2021, F87) 3DDesign Carbon Fibre Rear Diffuser (Type 1) for BMW M2 & M2 Competition (2015-2021, F87)
3DDesign Carbon Fibre Rear Diffuser (Type 1) for BMW M2 & M2 Competition (2015-2021, F87)
£2,062Sale price £2,062 Regular price
Frequently asked questions
Rear upgrades are one of the most impactful ways to enhance the look and performance intent of your vehicle. Whether you’re refining the rear profile, adding carbon fibre aero, or completing a full exterior transformation, high‑quality rear components help balance your car’s stance and visual presence.
At AUTOID, we offer a comprehensive range of rear upgrades and exterior styling parts, including diffusers, spoilers, trims and accessories developed for precise vehicle‑specific fitment. These parts are engineered to integrate seamlessly with factory body lines and complement other exterior enhancements such as front splitters and side skirts.
What You’ll Find in This Collection
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Rear Diffusers – carbon fibre and gloss black performance diffusers
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Rear Spoilers & Wings – enhanced downforce and visual aggression
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Rear Trims & Accents – detailed finishing pieces for exterior refinement
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Rear Bumper Enhancements – subtle upgrades and supporting aero
Rear upgrades play both aesthetic and functional roles. Diffusers help manage airflow at the back of the car, while spoilers and wings refine high‑speed stability and visual stance. Combined with other aero components, they complete a balanced exterior look that’s both purposeful and performance‑inspired.
Whether you’re building a sleek daily driver, a weekend performance car or a show‑stopping build, these rear components deliver dramatic visual impact and precise fitment. Each part is selected for quality of material, finish and engineering to ensure durability and style.
As an official UK supplier, AUTOID provides expert guidance, accurate fitment information and secure delivery across the UK. Flexible finance options are available to make high‑quality upgrades more accessible.
Explore the full range below to find the perfect rear upgrades for your vehicle.