





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: $563.34
-65%$563.34
$197.17Product 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.























