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RSI c6Handcrafted in Italy
Rear Diffuser in Carbon Fiber - BMW 3 Series G20/G21 LCI
$1,509.00Rear Diffuser
3 Series / M340i (G20/G21)
Direct Stage 4 Tuning × RSI c6 partnership
Made to order in Italy
Each part is produced to order by RSI c6 in Italy; typical lead time 4–8 weeks.
The piece
Details & finish.
BMWRear DiffuserRSI c6 · Italy
Rear diffuser in carbon fiber engineered for BMW 3 Series G20/G21 LCI.
Enhances aerodynamic performance with aggressive, motorsport-inspired styling while maintaining a lightweight construction that complements factory design. Premium carbon fiber finish integrates seamlessly with your vehicle's aesthetics, delivering both visual impact and functional downforce.
Each piece is made to order. Finish, weave, and configuration are confirmed before production begins; typical lead time is 4–8 weeks.
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