Dinan 21-27 BMW M3/M4 (G80/G82/G83) Adjustable Front & Rear Sway Bar Set - 28mm & 26mm

Every Dinan tuned anti-roll bar on the other hand is built and tuned specifically for each targeted BMW chassis to provide a more responsive and crisp experience. By reducing the amount of body roll your BMW is kept much closer to level than stock (while still allowing just enough body roll) to improve mechanical grip. This improvement gives the driver a much more planted and confident feeling in every corner making it a must-have upgrade for back road and track enthusiasts alike.

Additional Information

Front: 28mm - Rear: 26mm - Adjustable - G80/G82/G83/G87

• Includes polyurethane bushings and grease
• Increased stiffness to combat roll; Front - 18% stiffer, Rear - 35-48% stiffer
• Larger, more robust, bars; Front - 28mm size (vs. stock 23.5mm), Rear - 26mm size (vs. stock 21.9mm)
• Less body roll
• Made of high tensile strength alloy steel with tubular (hollow) construction for maximum strength while limiting weight
• More mechanical grip
• More stable at the limit
• Rear bars are 2-hole adjustable allowing you to fine tune settings for environment or comfort preference

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information