Riaction BMW 3 SERIES M Series G80 / G82 Coilovers
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
Riaction BMW G80 M3 / G82 M4 Coilovers – Built for Balance, Precision, and Daily Performance
Unlock the full suspension potential of your M-powered BMW with the Riaction Performance Shocks Coilover Kit. Designed specifically for the G80 M3 and G82 M4 platforms, this system blends track-tested performance with the refinement needed for daily driving.
With 32 levels of damping and full-length ride height adjustment, Riaction coilovers give you complete control over ride quality, response, and stance. Whether you’re navigating city streets or carving mountain roads, this kit delivers sharp handling, reduced body roll, and improved stability—making it the perfect companion for your M chassis.
Each set is backed by a 2-year factory warranty against manufacturing defects and is built from high-strength materials to ensure long-term reliability and performance under pressure.
🔧 Coilover Features:
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Full-Length Ride Height Adjustment
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32 Damping Adjustment Levels
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Mono-Tube Damper Design
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Seamless 52mm Electroplated Carbon Steel Shock Body
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20mm Piston Rod (McPherson)
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14mm Piston Rod (Non-McPherson)
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CNC 6061 Aluminum 44mm High-Flow Piston
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CNC 6061 Thinned Floating Piston
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Polyurethane Oil Seals
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SAE9254 Cold-Wound Springs
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Multi-Thickness Valving Shims
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Low-Gas Pressure Design
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7.5w Compounded Suspension Fluid
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Fully Rebuildable Coilover Assembly
📦 Important Note:
Product image shown is for reference only. Actual components may vary by application.
📧 International Orders:
For global shipping and availability, contact us at info@riactionshocks.com.
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.