Eibach ERS 60mm ID Linear Tender Spring - 2.87" Length (40-60-0070) YMM_2003_2010_Bmw_5_Series_V_E60_E61 Constructed from a special 54SiCr6

Constructed from a special 54SiCr6 spring steel

this filter helps support optimal engine operation and longevity

giving you greater confidence in dynamic driving situations

Engineered for precise fitment on BMW G80 M3 models

Eibach ERS 60mm ID Linear Tender Spring - 2.87" Length (40-60-0070) YMM_2003_2010_Bmw_5_Series_V_E60_E61 Constructed from a special 54SiCr6Linear Tender Spring by Eibach The ERS systems relies on a Main and Tender spring concept that provides a softer initial rate when both springs are compressed together, then delivers the desired firmer ending rate once the tender spring closes completely. The Main spring has a linear rate characteristic and determines the final rate of the system. The Tender springs are available in a variety of linear rate as well as progressive rate characteristics