I-90-HM - BC Racing HM Series Coilover Suspension Kit - E46 Convertible
BC Racing HM Series Coilover Suspension Kit - E46 Convertible
For the E46 Convertible owner looking to overcome the platform's inherent chassis flex and maximize track performance, the BC Racing HM Series offers a motorsport-first engineering approach. By utilizing an inverted strut layout and a high 12kg rear spring rate, the HM Series provides uncompromised geometry control under heavy cornering loads. The 2-way independent adjustment allows the driver to fine-tune high-speed stability and low-speed turn-in separately, which is critical for balancing a convertible's unique weight distribution. Every HM Series kit is hand-assembled with TIG-welded 304 stainless steel and 6061-T6 aluminum components, ensuring a system that is as durable as it is fast.
Key Features:
Enhanced Thermal Stability: External canisters move the fluid away from brake heat to maintain valving accuracy.
Linear Twin-Piston Design: Provides a large surface area for precise and predictable damping response.
Camber Adjustable Top Mounts: Precision-engineered aluminum plates eliminate factory rubber compliance for direct steering feedback.
Independent Ride Height: Threaded shock bodies allow for height adjustment without sacrificing damper stroke or spring travel.
Fully Rebuildable: All components are individual and replaceable, ensuring the long-term serviceability of the system.
Specifications:
Vehicle Fitment: 2000–2006 BMW 3-Series (E46) Convertible (Excludes M3).
Spring Rates (Default): Front: 6 kg/mm | Rear: 12 kg/mm.
Piston Design: Linear Twin-Piston.
Construction: 304 Stainless Steel and Anodized 6061-T6 Aluminum.
Warranty: 2-Year limited manufacturer's warranty.
BC Racing HM Series Coilover Suspension Kit - E46 Convertible
$2565.00
Product Details
For the E46 Convertible owner looking to overcome the platform's inherent chassis flex and maximize track performance, the BC Racing HM Series offers a motorsport-first engineering approach. By utilizing an inverted strut layout and a high 12kg rear spring rate, the HM Series provides uncompromised geometry control under heavy cornering loads. The 2-way independent adjustment allows the driver to fine-tune high-speed stability and low-speed turn-in separately, which is critical for balancing a convertible's unique weight distribution. Every HM Series kit is hand-assembled with TIG-welded 304 stainless steel and 6061-T6 aluminum components, ensuring a system that is as durable as it is fast.
Key Features:
Enhanced Thermal Stability: External canisters move the fluid away from brake heat to maintain valving accuracy.
Linear Twin-Piston Design: Provides a large surface area for precise and predictable damping response.
Camber Adjustable Top Mounts: Precision-engineered aluminum plates eliminate factory rubber compliance for direct steering feedback.
Independent Ride Height: Threaded shock bodies allow for height adjustment without sacrificing damper stroke or spring travel.
Fully Rebuildable: All components are individual and replaceable, ensuring the long-term serviceability of the system.
Specifications:
Vehicle Fitment: 2000–2006 BMW 3-Series (E46) Convertible (Excludes M3).
Spring Rates (Default): Front: 6 kg/mm | Rear: 12 kg/mm.
Piston Design: Linear Twin-Piston.
Construction: 304 Stainless Steel and Anodized 6061-T6 Aluminum.
Warranty: 2-Year limited manufacturer's warranty.
Prop 65 Warning
Product Q&A
Lifetime Replacement
This product is not eligible for Lifetime Replacement
Fits These Cars
MAKE
MODEL
SUBMODEL
ENGINE
Special Fitment Notes
BMW
E46
323Ci
M52 2.5L
Use vehicle selector to confirm fitment
BMW
E46
325Ci
M54 2.5L
Use vehicle selector to confirm fitment
BMW
E46
330Ci
M54 3.0L
Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All
warranties, product application, fitment, and performance are the responsibility of Turner Motorsport.
For additional information see the terms of use.
Prop 65 Warning
