H&R 04-07 BMW 525i/530i E60 Sport Spring (w/o Self Leveling) f10 *Easy lowering adjustment* Like all

*Easy lowering adjustment* Like all ST coilovers the lowering adjustment is made via a continuous thread on the galvanized strut

87% larger than the OEM intercooler

Optimum OEp: R: 2551-1372-00

Our head port plug kit prevents boost pressure from entering the valve cover on the n55 where boost leaks can present themselves at the valve cover or internal diaphragm

428i & xDrive N20 & N26

H&R 04-07 BMW 525i/530i E60 Sport Spring (w/o Self Leveling) f10 *Easy lowering adjustment* Like allEvery spring produced by H&R comes from the H&R ISO 9001 certified engineering and manufacturing facility in Germany. All H&R springs are produced from a special 54SiCr6 spring steel, which has strength rated at 290,000 psi resulting in unrivaled tensile strength and resiliency. H&R Sport Springs offer the handling characteristics and aggressive appearance that youve been looking for, without the harsh ride characteristics of less advanced spring