M57 Valve Springs Flavor?:Stage Two and a fluoro-lined cold-side adapter

and a fluoro-lined cold-side adapter to connect to the exisitng charge pipe

but with a Walbro 535 fuel pump

Bushing set for rear upper shock mounts to replace squishy OEM mounts

The second pump used can be either a BMW R70 or R90

Adjustment Kit Instructions

M57 Valve Springs Flavor?:Stage Two and a fluoro-lined cold-side adapterUpgraded valve springs for the BMW M57, designed and manufactured in Europe available in 2 flavors. These are not simply OEM springs from another application that have been repackaged. An in house 3D printed valve spring compressor is included with the spring set for easy install. The tool is now printed on a Formlabs Form 3L printer in the Formlabs Tough 2000 resin. Stock seat pressure is 34lb and 55lbs open. Stage one spring set is 56lb seat and