Riaction GT1 Coilovers for the 2014-2020 BMW 4 Series (F32) are a premium suspension upgrade designed for drivers who want the perfect balance of ride comfort, performance, and style. Built with high-quality materials and precision engineering, these coilovers deliver reliable handling and long-term durability while allowing you to achieve the aggressive lowered stance you’re after.

Each GT1 kit features a mono-tube shock design with a 52mm electroplated carbon steel body for consistent damping and strength. With 32 levels of damping adjustment, you can fine-tune your suspension setup for daily driving, spirited street performance, or weekend track use. The CNC-machined aluminum pistons, cold-wound performance springs, and polyurethane seals ensure smooth operation, precise handling, and reduced maintenance over time.

Engineered to be fully rebuildable and backed by a 2-year warranty, Riaction GT1 Coilovers offer the adjustability and performance expected from a high-end aftermarket suspension system—making them a smart investment for enthusiasts looking to improve handling, achieve the right stance, and enhance overall driving dynamics.

Features

• Full Length Ride Height Adjustment
• 32 Damping Adjustment Levels
• Mono-Tube Linear Damper Design
• Seamless 52mm Electroplated Carbon Steel Shock Body
• O.D. 20mm Piston Rod For MacPherson Suspension
• O.D. 14mm Piston Rod For Non-MacPherson Suspension
• Unique 44mm High-Flow CNC 6061 Aluminum Piston
• Unique Thinned CNC 6061 Aluminum Floating Piston
• Polyurethane Oil Seal
• SAE9254 Cold-Wound Spring
• Multi-Thickness Valving Shims
• Unique Low-Gas Pressure Design
• 7.5w Compounded Suspension Fluid
• Fully Rebuildable