Description
Maxton Design Full Body Kit Set 1 for BMW 3 Series M Sport (G20/G21)
Give your 3 Series a sharper, lower and more purposeful look with this complete Maxton Design kit. It adds clean, factory-style aggression while keeping daily use in mind.
This set includes a front splitter, side skirt diffusers, rear valance and rear side splitters. The parts work together to visually lower the car, smooth airflow and add a cohesive OEM+ finish in gloss black.
Fitment:
Designed for BMW 3 Series M Sport saloon and touring (G20/G21) from 2018 to 2022. Use our vehicle lookup to confirm, or see the Vehicle Fitment tab for full details. Rear valance fits cars without a towbar.
Materials and finish:
Made from ABS plastic, the same type used for many factory bumpers. ABS is strong, light and slightly flexible, which helps it resist cracks from minor knocks. Supplied in a durable gloss black finish that pairs well with M Sport trim.
Why it matters:
– Front splitter reduces front-end lift at speed and gives a sharper front profile.
– Side diffusers and rear side splitters help visually balance the car and tidy airflow along the sills.
– Rear valance adds depth to the back end for a wider, more planted stance.
Quality and safety:
ABS material holds a TUV MATERIALGUTACHTEN certificate, confirming consistent material quality. Edges are clean and fitment points are designed for secure mounting when installed correctly.
Installation:
Parts are designed for model-specific fit. Test-fit first and follow the supplied fixing guidance. Professional fitting is recommended for best alignment and secure attachment.






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