N47/N57 CP4 Metering Valve Bypass Kit What would you like?:Full Kit With DeastchWerks Filter and lead time issues

and lead time issues

Tired of your troublesome CP4

Easy installation

then 80lb/ft

Internal modifications produce a modest increase in fuel production while keeping the stock size nozzle

N47/N57 CP4 Metering Valve Bypass Kit What would you like?:Full Kit With DeastchWerks Filter and lead time issuesAs with any of our machined products, the block is 100% CNC cut in house here in Johannesburg Michigan. For those that dont know, the CP4 is the fuel injection pump that is installed on the second generation USA BMW diesels with the N47 and N57 engines. This injection pump uses only its fuel supply for lubrication, diesel first flows into the bottom end of the pump to lubricate the camshaft, rollers, lifters, and bushings before the diesel flows up to