BC Racing ER Series Coilover System (2005 - 2009 Subaru Legacy - BL9 / BP) - F-04-ER
Advanced Suspension Control for the 2005 - 2009 Subaru Legacy
Give your Subaru Legacy BL9 / BP the handling it deserves with the BC Racing ER Series Coilover System - a professional-grade suspension engineered for drivers who demand full control and precision. Built with independent 30-way compression and rebound adjustment and equipped with remote reservoirs, the ER Series dramatically increases oil capacity, enhances cooling efficiency, and maintains consistent damping under aggressive driving. Backed by real-world track development, the ER Series is the ideal choice for enthusiasts seeking maximum adjustability and performance on both the street and circuit.
Performance Highlights
- Independent 30-way compression and rebound adjustment for precise and customizable damping control.
- Remote reservoirs expand oil volume and improve heat dissipation for consistent performance.
- Mono-tube, linear twin-piston design delivers predictable, linear damping behavior.
- Independent height adjustment allows changes without affecting spring preload.
- Front and rear camber plates included on applicable kits for advanced alignment tuning.
- Pillowball mounts included when camber plates are not applicable for improved steering precision.
- Custom spring rates and valving available to match driver preferences and vehicle use.
- Swift Spring upgrades available for enhanced responsiveness and longevity.
- Fully rebuildable with a 2-year manufacturer warranty.
Quick Specs
- Brand: BC Racing
- Series: ER Series
- Part Number: F-04-ER
- Vehicle Fitment: 2005 - 2009 Subaru Legacy (BL9 / BP)
- Damper Design: Mono-tube twin-piston with external reservoirs
- Compression Adjustment: 30-way via external reservoir
- Rebound Adjustment: 30-way via damper top
- Height Adjustment: Independent of spring preload
- Default Spring Rates: Front 7kg/mm | Rear 6kg/mm
- Camber Plates: Front and rear included where applicable
- Mount Type: Pillowball mounts standard when plates do not apply
- Warranty: 2 Years (Manufacturer Defect)
- Rebuildable: Yes
Why Choose BC Racing ER Series Coilovers?
The ER Series is engineered for enthusiasts who want unmatched suspension flexibility. With fully independent damping adjustment, increased oil cooling capacity, and a track-proven twin-piston design, these coilovers deliver exceptional stability, responsiveness, and tuning range. Whether you're refining your Legacy for aggressive street driving or competitive track events, the ER Series provides the control and adaptability needed for serious performance.
FAQs
How does the ER Series compare to BC's BR and DS Series?
The ER Series offers independent compression and rebound adjustment with remote reservoirs, providing greater cooling and tunability than the BR (linear piston) and DS (digressive piston) models.
Is the ER Series suitable for daily driving?
Yes. Although designed for high-performance use, the ER Series can be adjusted for comfortable daily drivability thanks to its wide damping range.
Do these coilovers include camber plates?
Front and rear camber plates are standard where applicable, and pillowball mounts are included on kits where camber plates are not used.
Can I request custom spring rates or Swift Springs?
Absolutely. BC Racing offers custom spring rates, custom valving, and Swift Spring upgrades for most applications.
Fitment
- 2005 Subaru Legacy BL9 / BP
- 2006 Subaru Legacy BL9 / BP
- 2007 Subaru Legacy BL9 / BP
- 2008 Subaru Legacy BL9 / BP
- 2009 Subaru Legacy BL9 / BP
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized BC Racing dealer providing expert support, competitive pricing, and fast delivery. From daily-driven builds to track-ready Legacy setups, our team ensures you get the perfect ER configuration for your goals. Contact us anytime at sales@beefcakeracing.com or call 1-855-827-7223. Beefcake Racing - Performance Starts Here.
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