I am not sure what that may be. Is it possible the wastegate actuator is not allowing full boost?

Do you know if the upsolute chip turns off the egr function? Do you have any 0-60 times? Must you send your computer overseas or do they do tuning here in the states?

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-disav

99 E300 TURBODIESEL Astral Silver 207K - AMG brakes, suspension, monoblocks, speedo & interior - Full Load Maxed on IP by custom Speed Tuning USA Chip - T3/T4 Garrett - EGR/MAF delete
98 E300 TURBODIESEL Alexandrite Green on black leather 257K
95 E300 DIESEL Green Queen 267K SOLD
84 300D 216k SOLD
87 300D 299K #22 head - intercooler - full load adj. - 8sec 0-60mph - SOLD
76 300D 214K SOLD