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)
£3,559Sale price £3,559 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)
£4,089Sale price £4,089 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)
£1,639Sale price £1,639 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)
£1,169Sale price £1,169 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)
£2,069Sale price £2,069 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)
£2,999Sale price £2,999 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)
£679Sale price £679 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)
£1,479Sale price £1,479 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)
£949Sale price £949 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)
£1,019Sale price £1,019 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)
£1,159Sale price £1,159 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)
£1,529Sale price £1,529 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)
£1,949Sale price £1,949 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)
£1,849Sale price £1,849 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)
£2,939Sale price £2,939 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)
£2,829Sale price £2,829 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)
£1,049Sale price £1,049 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)
£379Sale price £379 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)
£1,099Sale price £1,099 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)
£2,249Sale price £2,249 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.