H&R 04-07 BMW 525i/530i E60 Sport Spring (w/o Self Leveling) f10 It's different from any alternative

It's different from any alternative

Plug and play with no cutting required

87% larger than the OEM intercooler

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

Offered as a set of 2 and come in 3 sizes 10mm

H&R 04-07 BMW 525i/530i E60 Sport Spring (w/o Self Leveling) f10 It's different from any alternativeEvery 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