SWIFT SPRINGS 4X903R Swift Springs 4X903R Spec-R Lowering Suspension Spring Kit for BMW M3 E90/E92/E93 2008-2013

Upgrade the stance and handling of your BMW M3 with the Swift Springs 4X903R Spec-R Suspension Spring Kit. Designed for BMW M3 E-Series models from 2008 through 2013, this complete lowering spring package is engineered for front and rear installation, providing a more purposeful ride height and a performance-focused suspension setup. The kit is an application-specific solution for drivers seeking improved appearance and responsive road manners without replacing the entire suspension system.
The Spec-R springs are manufactured from durable steel and finished with a black powder coat for added protection against everyday road exposure. Their vehicle-specific design supports proper fitment on compatible E90, E92, and E93 M3 applications while maintaining a clean, professional appearance beneath the vehicle. As a matched front and rear kit, the 4X903R helps create a balanced suspension upgrade rather than mixing unrelated spring designs or specifications.
Swift Springs is known for developing performance suspension components with a focus on consistent construction and dependable fitment. This kit is suitable for enthusiasts who want to refresh the visual presence of their BMW M3 and sharpen its suspension character with a dedicated lowering spring solution. Confirm vehicle configuration and compatibility before installation, and have the springs installed using proper suspension service procedures. The Swift Springs 4X903R Spec-R kit delivers a direct, performance-oriented upgrade for compatible 2008-2013 BMW M3 E-Series models.

Features:

• Vehicle-specific lowering spring kit designed for BMW M3 E-Series models from 2008 through 2013

• Compatible with BMW M3 E90, E92, and E93 chassis applications

• Complete front and rear suspension spring package

• Spec-R performance design for a more purposeful ride height and responsive handling characteristics

• Durable steel construction with a black powder coat finish