Maxton Design BMW F20 F21 M-Power Side Skirt Diffusers - 114i, 116i, 120i, 125i
Upgrade the look and aero of your BMW 1 Series with the Maxton Design M-Power Side Skirt Diffusers. Designed specifically for BMW F20 and F21 pre-LCI models, these side skirt splitters deliver a lower, wider stance, sharper side profile and improved stability at speed. Perfect for daily drivers and show builds alike, these are the go-to side skirt extensions for anyone searching for BMW 1 Series F20 side skirts, BMW F21 side skirt diffusers, BMW F20 side skirt splitters, Maxton Design side skirts and BMW 1 Series body kit upgrades.
Available in Textured Black, Gloss Black or Carbon Look, the diffusers arrive ready to mount. Made from high quality ABS plastic, they combine strength, flexibility and OEM-style fitment. They look right at home on 114i, 116i, 120i and 125i models and complement M-style styling perfectly.
We have supplied and fitted these at Nforcd and the feedback has been consistently excellent. Customers love the instant visual drop, the premium finish options and the snug fit. If you are searching for BMW 1 Series rocker panel extensions or side skirt extensions for F20 F21, this kit is a top choice.
Why choose these side skirt diffusers
- Direct fit for BMW 1 Series F20 F21 pre-LCI - 114i, 116i, 120i, 125i
- Transforms side profile with a lower, wider look
- Improves stability and front to rear aero balance
- Ready to install - no painting required unless you want a custom colour
- Optional red or white self-assembly stripe included if selected at checkout
- Trusted Maxton Design quality with TUV MATERIALGUTACHTEN for the material
Material
- Durable ABS plastic engineered for automotive use
- Strong yet flexible to handle everyday road use
- Used widely for OEM bumpers and exterior trim
Finishes
- Textured Black
- Gloss Black
- Carbon Look
What’s included
- Maxton Design M-Power Side Skirt Diffusers - pair
- Mounting kit
- Fitting manual
Fitment and compatibility
- BMW 1 Series F20 F21 pre-LCI
- Suitable for 114i, 116i, 120i and 125i models
Not sure on your model year or whether your car is pre-LCI? Use our compatibility check before we dispatch.
Compatibility check before dispatch
We verify fitment using your UK registration or the last 7 digits of your VIN. Enter your vehicle details at checkout and we will confirm everything matches.
Installation
Estimated fitting time is around 30 minutes. Professional installation is recommended to achieve the best alignment and finish. For fitting, we can help. Book with Nforcd in Warwickshire or request a fitting quote via Sales@nforcd.com.
Quality and certification
This product is manufactured by Maxton Design and the material carries TUV MATERIALGUTACHTEN certification.
Search-friendly keywords
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Part number
BM-1-F20-M-SD1