Today I pulled my injector to see which nozzles were worn and along found that i had different injectors of different pressures, A few @ 135 bar and a few @ 115 bar. I know that on many fuel injection systems that the have fuel injectors open at the same pressure. Any advantage to playing musical fuel injectors?

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1986 300SDL, 211K,Dealership serviced its whole life
1991 190E 2.6(120k)
1983 300D(300k)
1977 300D(211k)