BC Racing BR Series Coilovers 01-06 BMW 3 SERIES - E46 (M3) BMW 3 SERIES- Chassis Code: E46 (M3) Mono-tube shock design. Separate full length height adjustable. One year warranty. 30 levels of damping force adjustment, adjust compression/rebound. Front camber plates will be included only on applicable vehicles Custom Kits available (Contact us prior to ordering) One year warranty & rebuilds available.