
BMW G20 G21 Quad Diffuser DTM Rain Light
BMW G20 G21 Quad Diffuser DTM Rain Light is an aggressive rear styling upgrade engineered to transform the appearance of your 3 Series. Finished in high-gloss black and featuring an integrated LED DTM rain light, this diffuser delivers a race-inspired look that immediately enhances road presence.
Designed specifically for BMW G20 and G21 Pre-Facelift models (2019–2022), this diffuser blends performance aesthetics with modern styling, making it the ideal choice for drivers looking to achieve a more track-focused rear profile.
The integrated DTM-style LED rain light adds a distinctive motorsport touch while improving visibility, ensuring your vehicle stands out both day and night.
Compatible With:
✔ BMW G20 Saloon (2019–2022 Pre-Facelift)
✔ BMW G21 Touring (2019–2022 Pre-Facelift)
Key Features:
✔ Integrated LED DTM rain light
✔ Gloss black performance finish
✔ Aggressive quad-exit styling
✔ Strong visual upgrade
✔ Precision fitment
✔ Motorsport-inspired design
This product is supplied as a high-quality aftermarket component and is not OEM.
⚠️ Important Installation Notice
The BMW G20 G21 Quad Diffuser DTM Rain Light requires a quad exhaust conversion prior to installation.
We offer this conversion as an optional upgrade within this listing, though it may also be purchased separately.
The conversion involves:
✔ Backbox delete
✔ Custom quad rear section
✔ Matte carbon fibre exhaust tips
Professional installation is strongly recommended to ensure proper fitment and performance.
Original: $543.54
-65%$543.54
$190.24More Images





BMW G20 G21 Quad Diffuser DTM Rain Light
BMW G20 G21 Quad Diffuser DTM Rain Light is an aggressive rear styling upgrade engineered to transform the appearance of your 3 Series. Finished in high-gloss black and featuring an integrated LED DTM rain light, this diffuser delivers a race-inspired look that immediately enhances road presence.
Designed specifically for BMW G20 and G21 Pre-Facelift models (2019–2022), this diffuser blends performance aesthetics with modern styling, making it the ideal choice for drivers looking to achieve a more track-focused rear profile.
The integrated DTM-style LED rain light adds a distinctive motorsport touch while improving visibility, ensuring your vehicle stands out both day and night.
Compatible With:
✔ BMW G20 Saloon (2019–2022 Pre-Facelift)
✔ BMW G21 Touring (2019–2022 Pre-Facelift)
Key Features:
✔ Integrated LED DTM rain light
✔ Gloss black performance finish
✔ Aggressive quad-exit styling
✔ Strong visual upgrade
✔ Precision fitment
✔ Motorsport-inspired design
This product is supplied as a high-quality aftermarket component and is not OEM.
⚠️ Important Installation Notice
The BMW G20 G21 Quad Diffuser DTM Rain Light requires a quad exhaust conversion prior to installation.
We offer this conversion as an optional upgrade within this listing, though it may also be purchased separately.
The conversion involves:
✔ Backbox delete
✔ Custom quad rear section
✔ Matte carbon fibre exhaust tips
Professional installation is strongly recommended to ensure proper fitment and performance.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
BMW G20 G21 Quad Diffuser DTM Rain Light is an aggressive rear styling upgrade engineered to transform the appearance of your 3 Series. Finished in high-gloss black and featuring an integrated LED DTM rain light, this diffuser delivers a race-inspired look that immediately enhances road presence.
Designed specifically for BMW G20 and G21 Pre-Facelift models (2019–2022), this diffuser blends performance aesthetics with modern styling, making it the ideal choice for drivers looking to achieve a more track-focused rear profile.
The integrated DTM-style LED rain light adds a distinctive motorsport touch while improving visibility, ensuring your vehicle stands out both day and night.
Compatible With:
✔ BMW G20 Saloon (2019–2022 Pre-Facelift)
✔ BMW G21 Touring (2019–2022 Pre-Facelift)
Key Features:
✔ Integrated LED DTM rain light
✔ Gloss black performance finish
✔ Aggressive quad-exit styling
✔ Strong visual upgrade
✔ Precision fitment
✔ Motorsport-inspired design
This product is supplied as a high-quality aftermarket component and is not OEM.
⚠️ Important Installation Notice
The BMW G20 G21 Quad Diffuser DTM Rain Light requires a quad exhaust conversion prior to installation.
We offer this conversion as an optional upgrade within this listing, though it may also be purchased separately.
The conversion involves:
✔ Backbox delete
✔ Custom quad rear section
✔ Matte carbon fibre exhaust tips
Professional installation is strongly recommended to ensure proper fitment and performance.























