Eibach Barrel Main Single Coil Spring - 137 lbs/in Rate, 3.1 in. Block Height 190DC 2012 BMW Z4 28i RWD

2012 BMW Z4 28i RWD (E85/E86/E89)

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AST Suspension designed the Competition 3-way adjustable series to fit the 1985-1991 BMW 3 Series 325i (E30) The 5300 Series shock absorbers are rebound adjustable in 12 positions on the strut

Eibach Barrel Main Single Coil Spring - 137 lbs/in Rate, 3.1 in. Block Height 190DC 2012 BMW Z4 28i RWDEibach's ERS line has evolved over the years to be the world's most prominent, comprehensive and superior Race Spring System. Eibach Race Springs are all manufactured in series production, often repeated, with a strong manufacturing experience. Thus, Eibach constantly achieves the most linear spring characteristic (rate) while maintaining the lowest tolerances and the highest quality in the industry. Eibach's ERS line has evolved over the years to be