BMW M3 AC Schnitzer Carbon Fibre Rear Wing Wicker Bill/Wickerbill Gurney Flap/Strip – Spoiler Lip Extension Track-Day Aero Add-On for Extra Rear Downforce

Wicker bill aero add-on for BMW M3 with AC Schnitzer rear aerofoil

Unlock extra rear-end grip and stability with this precision gurney flap, a motorsport-inspired spoiler lip that transforms the effectiveness of your rear aero. Designed specifically to pair with the AC Schnitzer rear aerofoil on the BMW M3, this performance-focused wicker bill enhances pressure differential at the trailing edge, improving balance, traction and confidence at speed on track days and fast road driving.

If you are building a serious BMW M3 track setup or simply want a sharper, more planted feel on high-speed sweepers, this rear wing lip is a smart, cost-effective aero upgrade. Popular with our workshop customers and used on our own builds, it offers a subtle OEM-plus look with a clear performance benefit.

Why choose this gurney flap

• Boosts rear axle stability for improved corner exit traction and high-speed composure
• Motorsport-style wicker bill design for efficient rear load without unnecessary drag
• Clean, purposeful appearance that complements the AC Schnitzer main element
• Track-day friendly aero tweak for enthusiasts seeking real-world gains

Compatibility

Exclusively compatible with the AC Schnitzer rear aerofoil for BMW M3. Not suitable for other wings, spoilers or aero kits. Main blade not supplied.

Ideal for searchers looking for

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Fitting and support

Professional installation recommended. For fitting, book with MJ Modifications in Warwickshire and request a quote at info@mjmodifications.co.uk.

Questions about compatibility or install options on your BMW M3 with AC Schnitzer rear wing? Get in touch and our team will be happy to help.