Riaction BMW 3 SERIES E90 / E92 / E93 M3 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
Unlock full suspension control for your BMW M3 with Riaction GT-1 Coilovers—designed for the E90, E92, and E93 chassis. Engineered for spirited street driving, aggressive cornering, and daily comfort, this kit offers full ride height adjustability and rebound damping control to match your driving style.
Whether you're behind the wheel of a sedan (E90), coupe (E92), or convertible (E93), Riaction coilovers deliver consistent damping, predictable handling, and excellent chassis stability. Built from high-grade carbon steel and CNC-machined aluminum, our mono-tube dampers are precision-tuned for performance on both the road and the track.
📸 Product photos shown are for representation purposes only.
🔧 Coilover Features
-
Full-length ride height adjustment
-
32 levels of rebound damping
-
Mono-tube damper design
-
Seamless 52mm electroplated carbon steel shock body
-
20mm piston rod (McPherson) / 14mm (Non-McPherson)
-
CNC 6061 aluminum high-flow main piston (44mm)
-
CNC 6061 aluminum floating piston (thinned design)
-
Polyurethane oil seal
-
SAE9254 cold-wound spring
-
Multi-thickness valving shims
-
Low-gas pressure internal design
-
7.5w compounded suspension fluid
-
Fully rebuildable
📧 International Orders
For international orders, please contact us at info@riactionshocks.com prior to purchase.
Upgrade your BMW E9X M3 with coilovers that balance daily drivability with track-capable performance—only from Riaction Performance Shocks.
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.