H&R 04-06 BMW 525i/530i/535i/545i E60 Race Spring (w/o Self Leveling) diverter valve and hard anodizing to ensure

and hard anodizing to ensure years of continued use

The race intercooler requires trimming of the black plastic shroud behind the bumper

All of VRSF intercoolers feature tabs that allow the retention of the factory fan shroud

Otherwise these are plug n play and will perform better right off the bat

Please refer to the cross reference links below

H&R 04-06 BMW 525i/530i/535i/545i E60 Race Spring (w/o Self Leveling) diverter valve and hard anodizing to ensureEvery 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. The name says it all. When the need for uncompromising handling performance becomes your priority, its time to fit your car with H&R Race Springs. H&R Race Springs will