One-way adjustable coilover kit for the 1986-1991 BMW M3 (E30). Hand-assembled in Santa Ana, CA with Swift Springs standard, 32 levels of rebound adjustment, gas-pressurized monotube dampers, and precision-machined components.True bolt-in solution for improved street comfort and track performance.Available Configurations: Street: Improved handling while maintaining daily comfort. Street/Track: More aggressive for spirited driving and occasional track days. Track: Higher rates for maximum chassis response. Custom Spring Rates: Provide your specs in the order notes for a tailored build. Limited 2-year warranty. In-house rebuilds available.Lead Time: In-stock items ship within 5–7 business days. If there is any delay, you will receive an order update email shortly.
