Only the best on the track! The BC Racing "HM" series combines the "RM" series inverted mono-tube damper and adds the independent compression and rebound adjustment of the "ER" series.
BMW E46 323Ci M52 2.5L Performance Parts & Upgrades
- Braking
- Engine / Drivetrain
- Essentials
- Exhaust
- Exterior
- Interior
- Lighting
- Racing Safety Accessories
- Software / Tuning
- Suspension
- Wheels
- Clearance
Featuring 30 levels of adjustment and performance spring rates and valving that makes the DS Series perfect for both daily drivers and track warriors!
The Ultimate Competition Platform for the E46 Chassis
Engineered for High-Lateral Loads and Superior Chassis Response
Engineered for the "Ultimate Driver Feel" on the G30 Platform
Flagship Triple-Adjustment for Competitive Chassis Tuning
Gives you professional track control and 2-way control
The Ultimate Hybrid for Competition and High-Load Handling
DOT4 compliant. Boiling point - Dry 280?C (536?F) / Wet 200?C (392?F)
This product was last offered at the strikethrough price on
06-09-2026
Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet
10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
06-13-2026
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout
10X Entries Into Our F80 M3 Sweepstakes
Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet
10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
06-13-2026
Ultra high performing silicone-based brake fluid that exceeds DOT5 boiling points
Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers.
10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!
This product was last offered at the strikethrough price on
06-13-2026
Boiling point - Dry 312C (594F) / Wet 216C (421F)
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
11-03-2026
Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
10X Entries Into Our F80 M3 Sweepstakes